BatchJobUpdateOptions

{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://artifacts.apis.io/microsoft-azure-batch/json-schema/microsoft-azure-batch-batch-job-update-options-schema.json",
  "title": "BatchJobUpdateOptions",
  "description": "Parameters for updating an Azure Batch Job.",
  "x-generated": "2026-11-05",
  "x-method": "derived",
  "x-generator": "derive-json-schema.py",
  "x-source": "openapi/_superseded/microsoft-azure-batch-jobs-api-openapi.yml#/components/schemas/BatchJobUpdateOptions",
  "type": "object",
  "properties": {
    "priority": {
      "type": "integer",
      "format": "int32",
      "description": "The priority of the Job. Priority values can range from -1000 to 1000, with -1000 being the lowest priority and 1000 being the highest priority. If omitted, the priority of the Job is left unchanged."
    },
    "allowTaskPreemption": {
      "type": "boolean",
      "description": "Whether Tasks in this job can be preempted by other high priority jobs. (This property is not available by default. Please contact support for more information) If the value is set to True, other high priority jobs submitted to the system will take precedence and will be able requeue tasks from this job. You can update a job's allowTaskPreemption after it has been created using the update job API."
    },
    "maxParallelTasks": {
      "type": "integer",
      "format": "int32",
      "description": "The maximum number of tasks that can be executed in parallel for the job. (This property is not available by default. Please contact support for more information) The value of maxParallelTasks must be -1 or greater than 0 if specified. If not specified, the default value is -1, which means there's no limit to the number of tasks that can be run at once. You can update a job's maxParallelTasks after it has been created using the update job API."
    },
    "constraints": {
      "$ref": "#/$defs/BatchJobConstraints",
      "description": "The execution constraints for the Job. If omitted, the existing execution constraints are left unchanged."
    },
    "poolInfo": {
      "$ref": "#/$defs/BatchPoolInfoUpdate",
      "description": "The Pool on which the Batch service runs the Job's Tasks. You may change the Pool for a Job only when the Job is disabled. The Patch Job call will fail if you include the poolInfo element and the Job is not disabled. If you specify an autoPoolSpecification in the poolInfo, only the keepAlive property of the autoPoolSpecification can be updated, and then only if the autoPoolSpecification has a poolLifetimeOption of Job (other job properties can be updated as normal). If omitted, the Job continues to run on its current Pool."
    },
    "onAllTasksComplete": {
      "$ref": "#/$defs/BatchAllTasksCompleteMode",
      "description": "The action the Batch service should take when all Tasks in the Job are in the completed state. If omitted, the completion behavior is left unchanged. You may not change the value from terminatejob to noaction - that is, once you have engaged automatic Job termination, you cannot turn it off again. If you try to do this, the request fails with an 'invalid property value' error response; if you are calling the REST API directly, the HTTP status code is 400 (Bad Request).",
      "x-ms-client-name": "allTasksCompleteMode"
    },
    "metadata": {
      "type": "array",
      "description": "A list of name-value pairs associated with the Job as metadata. If omitted, the existing Job metadata is left unchanged.",
      "items": {
        "$ref": "#/$defs/BatchMetadataItem"
      }
    },
    "networkConfiguration": {
      "$ref": "#/$defs/BatchJobNetworkConfigurationUpdate",
      "description": "(This property is not available by default. Please contact support for more information) The network configuration for the Job."
    }
  },
  "$defs": {
    "AutoUserScope": {
      "type": "string",
      "description": "AutoUserScope enums",
      "enum": [
        "task",
        "pool"
      ],
      "x-ms-enum": {
        "name": "AutoUserScope",
        "modelAsString": true,
        "values": [
          {
            "name": "Task",
            "value": "task",
            "description": "Specifies that the service should create a new user for the Task."
          },
          {
            "name": "Pool",
            "value": "pool",
            "description": "Specifies that the Task runs as the common auto user Account which is created on every Compute Node in a Pool."
          }
        ]
      }
    },
    "AutoUserSpecification": {
      "type": "object",
      "description": "Specifies the options for the auto user that runs an Azure Batch Task.",
      "properties": {
        "scope": {
          "$ref": "#/$defs/AutoUserScope",
          "description": "The scope for the auto user. The default value is pool. If the pool is running Windows a value of Task should be specified if stricter isolation between tasks is required. For example, if the task mutates the registry in a way which could impact other tasks."
        },
        "elevationLevel": {
          "$ref": "#/$defs/ElevationLevel",
          "description": "The elevation level of the auto user. The default value is nonAdmin."
        }
      }
    },
    "AutomaticOsUpgradePolicy": {
      "type": "object",
      "description": "The configuration parameters used for performing automatic OS upgrade.",
      "properties": {
        "disableAutomaticRollback": {
          "type": "boolean",
          "description": "Whether OS image rollback feature should be disabled."
        },
        "enableAutomaticOSUpgrade": {
          "type": "boolean",
          "description": "Indicates whether OS upgrades should automatically be applied to scale set instances in a rolling fashion when a newer version of the OS image becomes available. <br /><br /> If this is set to true for Windows based pools, [WindowsConfiguration.enableAutomaticUpdates](https://learn.microsoft.com/rest/api/batchservice/pools/create-pool#windowsconfiguration) cannot be set to true.",
          "x-ms-client-name": "enableAutomaticOsUpgrade"
        },
        "useRollingUpgradePolicy": {
          "type": "boolean",
          "description": "Indicates whether rolling upgrade policy should be used during Auto OS Upgrade. Auto OS Upgrade will fallback to the default policy if no policy is defined on the VMSS."
        },
        "osRollingUpgradeDeferral": {
          "type": "boolean",
          "description": "Defer OS upgrades on the TVMs if they are running tasks."
        }
      }
    },
    "AzureBlobFileSystemConfiguration": {
      "type": "object",
      "description": "Information used to connect to an Azure Storage Container using Blobfuse.",
      "properties": {
        "accountName": {
          "type": "string",
          "description": "The Azure Storage Account name."
        },
        "containerName": {
          "type": "string",
          "description": "The Azure Blob Storage Container name."
        },
        "accountKey": {
          "type": "string",
          "format": "password",
          "description": "The Azure Storage Account key. This property is mutually exclusive with both sasKey and identity; exactly one must be specified.",
          "x-ms-secret": true
        },
        "sasKey": {
          "type": "string",
          "format": "password",
          "description": "The Azure Storage SAS token. This property is mutually exclusive with both accountKey and identity; exactly one must be specified.",
          "x-ms-secret": true
        },
        "blobfuseOptions": {
          "type": "string",
          "description": "Additional command line options to pass to the mount command. These are 'net use' options in Windows and 'mount' options in Linux."
        },
        "relativeMountPath": {
          "type": "string",
          "description": "The relative path on the compute node where the file system will be mounted. All file systems are mounted relative to the Batch mounts directory, accessible via the AZ_BATCH_NODE_MOUNTS_DIR environment variable."
        },
        "identityReference": {
          "$ref": "#/$defs/BatchNodeIdentityReference",
          "description": "The reference to the user assigned identity to use to access containerName. This property is mutually exclusive with both accountKey and sasKey; exactly one must be specified."
        }
      },
      "required": [
        "accountName",
        "containerName",
        "relativeMountPath"
      ]
    },
    "AzureFileShareConfiguration": {
      "type": "object",
      "description": "Information used to connect to an Azure Fileshare.",
      "properties": {
        "accountName": {
          "type": "string",
          "description": "The Azure Storage account name."
        },
        "accountKey": {
          "type": "string",
          "format": "password",
          "description": "The Azure Storage account key.",
          "x-ms-secret": true
        },
        "azureFileUrl": {
          "type": "string",
          "format": "uri",
          "description": "The Azure Files URL. This is of the form 'https://{account}.file.core.windows.net/'."
        },
        "relativeMountPath": {
          "type": "string",
          "description": "The relative path on the compute node where the file system will be mounted. All file systems are mounted relative to the Batch mounts directory, accessible via the AZ_BATCH_NODE_MOUNTS_DIR environment variable."
        },
        "mountOptions": {
          "type": "string",
          "description": "Additional command line options to pass to the mount command. These are 'net use' options in Windows and 'mount' options in Linux."
        }
      },
      "required": [
        "accountName",
        "accountKey",
        "azureFileUrl",
        "relativeMountPath"
      ]
    },
    "BatchAllTasksCompleteMode": {
      "type": "string",
      "description": "The action the Batch service should take when all Tasks in the Job are in the completed state.",
      "enum": [
        "noaction",
        "terminatejob"
      ],
      "x-ms-enum": {
        "name": "BatchAllTasksCompleteMode",
        "modelAsString": true,
        "values": [
          {
            "name": "NoAction",
            "value": "noaction",
            "description": "Do nothing. The Job remains active unless terminated or disabled by some other means."
          },
          {
            "name": "TerminateJob",
            "value": "terminatejob",
            "description": "Terminate the Job. The Job's terminationReason is set to 'AllTasksComplete'."
          }
        ]
      }
    },
    "BatchApplicationPackageReference": {
      "type": "object",
      "description": "A reference to an Package to be deployed to Compute Nodes.",
      "properties": {
        "applicationId": {
          "type": "string",
          "description": "The ID of the application to deploy. When creating a pool, the package's application ID must be fully qualified (/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.Batch/batchAccounts/{accountName}/applications/{applicationName})."
        },
        "version": {
          "type": "string",
          "description": "The version of the application to deploy. If omitted, the default version is deployed. If this is omitted on a Pool, and no default version is specified for this application, the request fails with the error code InvalidApplicationPackageReferences and HTTP status code 409. If this is omitted on a Task, and no default version is specified for this application, the Task fails with a pre-processing error."
        }
      },
      "required": [
        "applicationId"
      ]
    },
    "BatchAutoPoolSpecificationUpdate": {
      "type": "object",
      "description": "Specifies characteristics for a temporary 'auto pool'. The Batch service will\ncreate this auto Pool when the Job is submitted.",
      "properties": {
        "autoPoolIdPrefix": {
          "type": "string",
          "description": "A prefix to be added to the unique identifier when a Pool is automatically created. The Batch service assigns each auto Pool a unique identifier on creation. To distinguish between Pools created for different purposes, you can specify this element to add a prefix to the ID that is assigned. The prefix can be up to 20 characters long."
        },
        "poolLifetimeOption": {
          "$ref": "#/$defs/BatchPoolLifetimeOption",
          "description": "The minimum lifetime of created auto Pools, and how multiple Jobs on a schedule are assigned to Pools."
        },
        "keepAlive": {
          "type": "boolean",
          "description": "Whether to keep an auto Pool alive after its lifetime expires. If false, the Batch service deletes the Pool once its lifetime (as determined by the poolLifetimeOption setting) expires; that is, when the Job or Job Schedule completes. If true, the Batch service does not delete the Pool automatically. It is up to the user to delete auto Pools created with this option."
        },
        "pool": {
          "$ref": "#/$defs/BatchPoolSpecificationUpdate",
          "description": "The Pool specification for the auto Pool."
        }
      }
    },
    "BatchContainerConfigurationUpdate": {
      "type": "object",
      "description": "The configuration for container-enabled Pools.",
      "properties": {
        "type": {
          "$ref": "#/$defs/ContainerType",
          "description": "The container technology to be used."
        },
        "containerImageNames": {
          "type": "array",
          "description": "The collection of container Image names. This is the full Image reference, as would be specified to \"docker pull\". An Image will be sourced from the default Docker registry unless the Image is fully qualified with an alternative registry.",
          "items": {
            "type": "string"
          }
        },
        "containerRegistries": {
          "type": "array",
          "description": "Additional private registries from which containers can be pulled. If any Images must be downloaded from a private registry which requires credentials, then those credentials must be provided here.",
          "items": {
            "$ref": "#/$defs/ContainerRegistryReference"
          }
        }
      }
    },
    "BatchDiffDiskSettings": {
      "type": "object",
      "description": "Specifies the ephemeral Disk Settings for the operating system disk used by the\ncompute node (VM).",
      "properties": {
        "placement": {
          "$ref": "#/$defs/DiffDiskPlacement",
          "description": "Specifies the ephemeral disk placement for operating system disk for all VMs in the pool. This property can be used by user in the request to choose the location e.g., cache disk space for Ephemeral OS disk provisioning. For more information on Ephemeral OS disk size requirements, please refer to Ephemeral OS disk size requirements for Windows VMs at https://learn.microsoft.com/azure/virtual-machines/windows/ephemeral-os-disks#size-requirements and Linux VMs at https://learn.microsoft.com/azure/virtual-machines/linux/ephemeral-os-disks#size-requirements."
        }
      }
    },
    "BatchInboundNatPool": {
      "type": "object",
      "description": "A inbound NAT Pool that can be used to address specific ports on Compute Nodes\nin a Batch Pool externally.",
      "properties": {
        "name": {
          "type": "string",
          "description": "The name of the endpoint. The name must be unique within a Batch Pool, can contain letters, numbers, underscores, periods, and hyphens. Names must start with a letter or number, must end with a letter, number, or underscore, and cannot exceed 77 characters.  If any invalid values are provided the request fails with HTTP status code 400."
        },
        "protocol": {
          "$ref": "#/$defs/InboundEndpointProtocol",
          "description": "The protocol of the endpoint."
        },
        "backendPort": {
          "type": "integer",
          "format": "int32",
          "description": "The port number on the Compute Node. This must be unique within a Batch Pool. Acceptable values are between 1 and 65535 except for 29876 and 29877 as these are reserved. If any reserved values are provided the request fails with HTTP status code 400."
        },
        "frontendPortRangeStart": {
          "type": "integer",
          "format": "int32",
          "description": "The first port number in the range of external ports that will be used to provide inbound access to the backendPort on individual Compute Nodes. Acceptable values range between 1 and 65534 except ports from 50000 to 55000 which are reserved. All ranges within a Pool must be distinct and cannot overlap. Each range must contain at least 40 ports. If any reserved or overlapping values are provided the request fails with HTTP status code 400."
        },
        "frontendPortRangeEnd": {
          "type": "integer",
          "format": "int32",
          "description": "The last port number in the range of external ports that will be used to provide inbound access to the backendPort on individual Compute Nodes. Acceptable values range between 1 and 65534 except ports from 50000 to 55000 which are reserved by the Batch service. All ranges within a Pool must be distinct and cannot overlap. Each range must contain at least 40 ports. If any reserved or overlapping values are provided the request fails with HTTP status code 400."
        },
        "networkSecurityGroupRules": {
          "type": "array",
          "description": "A list of network security group rules that will be applied to the endpoint. The maximum number of rules that can be specified across all the endpoints on a Batch Pool is 25. If no network security group rules are specified, a default rule will be created to allow inbound access to the specified backendPort. If the maximum number of network security group rules is exceeded the request fails with HTTP status code 400.",
          "items": {
            "$ref": "#/$defs/NetworkSecurityGroupRule"
          }
        }
      },
      "required": [
        "name",
        "protocol",
        "backendPort",
        "frontendPortRangeStart",
        "frontendPortRangeEnd"
      ]
    },
    "BatchJobConstraints": {
      "type": "object",
      "description": "The execution constraints for a Job.",
      "properties": {
        "maxWallClockTime": {
          "type": "string",
          "format": "duration",
          "description": "The maximum elapsed time that the Job may run, measured from the time the Job is created. If the Job does not complete within the time limit, the Batch service terminates it and any Tasks that are still running. In this case, the termination reason will be MaxWallClockTimeExpiry. If this property is not specified, there is no time limit on how long the Job may run. The time duration is specified in ISO 8601 format."
        },
        "maxTaskRetryCount": {
          "type": "integer",
          "format": "int32",
          "description": "The maximum number of times each Task may be retried. The Batch service retries a Task if its exit code is nonzero. Note that this value specifically controls the number of retries. The Batch service will try each Task once, and may then retry up to this limit. For example, if the maximum retry count is 3, Batch tries a Task up to 4 times (one initial try and 3 retries). If the maximum retry count is 0, the Batch service does not retry Tasks. If the maximum retry count is -1, the Batch service retries Tasks without limit. The default value is 0 (no retries)."
        }
      }
    },
    "BatchJobNetworkConfigurationUpdate": {
      "type": "object",
      "description": "(This property is not available by default. Please contact support for more information) The network configuration for the Job.",
      "properties": {
        "subnetId": {
          "type": "string",
          "description": "The ARM resource identifier of the virtual network subnet which Compute Nodes running Tasks from the Job will join for the duration of the Task. The virtual network must be in the same region and subscription as the Azure Batch Account. The specified subnet should have enough free IP addresses to accommodate the number of Compute Nodes which will run Tasks from the Job. This can be up to the number of Compute Nodes in the Pool. The 'MicrosoftAzureBatch' service principal must have the 'Classic Virtual Machine Contributor' Role-Based Access Control (RBAC) role for the specified VNet so that Azure Batch service can schedule Tasks on the Nodes. This can be verified by checking if the specified VNet has any associated Network Security Groups (NSG). If communication to the Nodes in the specified subnet is denied by an NSG, then the Batch service will set the state of the Compute Nodes to unusable. This is of the form /subscriptions/{subscription}/resourceGroups/{group}/providers/{provider}/virtualNetworks/{network}/subnets/{subnet}. If the specified VNet has any associated Network Security Groups (NSG), then a few reserved system ports must be enabled for inbound communication from the Azure Batch service. For Pools created with a Virtual Machine configuration, enable ports 29876 and 29877, as well as port 22 for Linux and port 3389 for Windows. Port 443 is also required to be open for outbound connections for communications to Azure Storage. For more details see: https://learn.microsoft.com/azure/batch/batch-api-basics#virtual-network-vnet-and-firewall-configuration."
        },
        "skipWithdrawFromVNet": {
          "type": "boolean",
          "description": "Whether to withdraw Compute Nodes from the virtual network to DNC when the job is terminated or deleted.  If true, nodes will remain joined to the virtual network to DNC. If false, nodes will automatically withdraw when the job ends. Defaults to false.",
          "x-ms-client-name": "skipWithdrawFromVnet"
        }
      }
    },
    "BatchMetadataItem": {
      "type": "object",
      "description": "The Batch service does not assign any meaning to this metadata; it is solely\nfor the use of user code.",
      "properties": {
        "name": {
          "type": "string",
          "description": "The name of the metadata item."
        },
        "value": {
          "type": "string",
          "description": "The value of the metadata item."
        }
      },
      "required": [
        "name",
        "value"
      ]
    },
    "BatchNodeFillType": {
      "type": "string",
      "description": "BatchNodeFillType enums",
      "enum": [
        "spread",
        "pack"
      ],
      "x-ms-enum": {
        "name": "BatchNodeFillType",
        "modelAsString": true,
        "values": [
          {
            "name": "Spread",
            "value": "spread",
            "description": "Tasks should be assigned evenly across all Compute Nodes in the Pool."
          },
          {
            "name": "Pack",
            "value": "pack",
            "description": "As many Tasks as possible (taskSlotsPerNode) should be assigned to each Compute Node in the Pool before any Tasks are assigned to the next Compute Node in the Pool."
          }
        ]
      }
    },
    "BatchNodeIdentityReference": {
      "type": "object",
      "description": "The reference to a user assigned identity associated with the Batch pool which\na compute node will use.",
      "properties": {
        "resourceId": {
          "type": "string",
          "format": "arm-id",
          "description": "The ARM resource id of the user assigned identity."
        }
      }
    },
    "BatchNodePlacementConfiguration": {
      "type": "object",
      "description": "For regional placement, nodes in the pool will be allocated in the same region.\nFor zonal placement, nodes in the pool will be spread across different zones\nwith best effort balancing.",
      "properties": {
        "policy": {
          "$ref": "#/$defs/BatchNodePlacementPolicyType",
          "description": "Node placement Policy type on Batch Pools. Allocation policy used by Batch Service to provision the nodes. If not specified, Batch will use the regional policy."
        }
      }
    },
    "BatchNodePlacementPolicyType": {
      "type": "string",
      "description": "BatchNodePlacementPolicyType enums",
      "enum": [
        "regional",
        "zonal"
      ],
      "x-ms-enum": {
        "name": "BatchNodePlacementPolicyType",
        "modelAsString": true,
        "values": [
          {
            "name": "Regional",
            "value": "regional",
            "description": "All nodes in the pool will be allocated in the same region."
          },
          {
            "name": "Zonal",
            "value": "zonal",
            "description": "Nodes in the pool will be spread across different availability zones with best effort balancing."
          }
        ]
      }
    },
    "BatchOsDisk": {
      "type": "object",
      "description": "Settings for the operating system disk of the compute node (VM).",
      "properties": {
        "ephemeralOSDiskSettings": {
          "$ref": "#/$defs/BatchDiffDiskSettings",
          "description": "Specifies the ephemeral Disk Settings for the operating system disk used by the compute node (VM)."
        },
        "caching": {
          "$ref": "#/$defs/CachingType",
          "description": "Specifies the caching requirements. Possible values are: None, ReadOnly, ReadWrite. The default values are: None for Standard storage. ReadOnly for Premium storage."
        },
        "diskSizeGB": {
          "type": "integer",
          "format": "int32",
          "description": "The initial disk size in GB when creating new OS disk."
        },
        "managedDisk": {
          "$ref": "#/$defs/ManagedDisk",
          "description": "The managed disk parameters."
        },
        "writeAcceleratorEnabled": {
          "type": "boolean",
          "description": "Specifies whether writeAccelerator should be enabled or disabled on the disk."
        }
      }
    },
    "BatchPoolEndpointConfigurationUpdate": {
      "type": "object",
      "description": "The endpoint configuration for a Pool.",
      "properties": {
        "inboundNATPools": {
          "type": "array",
          "description": "A list of inbound NAT Pools that can be used to address specific ports on an individual Compute Node externally. The maximum number of inbound NAT Pools per Batch Pool is 5. If the maximum number of inbound NAT Pools is exceeded the request fails with HTTP status code 400. This cannot be specified if the IPAddressProvisioningType is NoPublicIPAddresses.",
          "items": {
            "$ref": "#/$defs/BatchInboundNatPool"
          },
          "x-ms-client-name": "inboundNatPools"
        }
      }
    },
    "BatchPoolIdentityReference": {
      "type": "object",
      "description": "The reference of one of the pool identities to encrypt Disk. This identity will be used to access the key vault.",
      "properties": {
        "resourceId": {
          "type": "string",
          "format": "arm-id",
          "description": "The ARM resource id of the user assigned identity. This reference must be included in the pool identities."
        }
      }
    },
    "BatchPoolInfoUpdate": {
      "type": "object",
      "description": "Specifies how a Job should be assigned to a Pool.",
      "properties": {
        "poolId": {
          "type": "string",
          "description": "The ID of an existing Pool. All the Tasks of the Job will run on the specified Pool. You must ensure that the Pool referenced by this property exists. If the Pool does not exist at the time the Batch service tries to schedule a Job, no Tasks for the Job will run until you create a Pool with that id. Note that the Batch service will not reject the Job request; it will simply not run Tasks until the Pool exists. You must specify either the Pool ID or the auto Pool specification, but not both."
        },
        "autoPoolSpecification": {
          "$ref": "#/$defs/BatchAutoPoolSpecificationUpdate",
          "description": "Characteristics for a temporary 'auto pool'. The Batch service will create this auto Pool when the Job is submitted. If auto Pool creation fails, the Batch service moves the Job to a completed state, and the Pool creation error is set in the Job's scheduling error property. The Batch service manages the lifetime (both creation and, unless keepAlive is specified, deletion) of the auto Pool. Any user actions that affect the lifetime of the auto Pool while the Job is active will result in unexpected behavior. You must specify either the Pool ID or the auto Pool specification, but not both."
        }
      }
    },
    "BatchPoolLifetimeOption": {
      "type": "string",
      "description": "BatchPoolLifetimeOption enums",
      "enum": [
        "jobschedule",
        "job"
      ],
      "x-ms-enum": {
        "name": "BatchPoolLifetimeOption",
        "modelAsString": true,
        "values": [
          {
            "name": "JobSchedule",
            "value": "jobschedule",
            "description": "The Pool exists for the lifetime of the Job Schedule. The Batch Service creates the Pool when it creates the first Job on the schedule. You may apply this option only to Job Schedules, not to Jobs."
          },
          {
            "name": "Job",
            "value": "job",
            "description": "The Pool exists for the lifetime of the Job to which it is dedicated. The Batch service creates the Pool when it creates the Job. If the 'job' option is applied to a Job Schedule, the Batch service creates a new auto Pool for every Job created on the schedule."
          }
        ]
      }
    },
    "BatchPoolSpecificationUpdate": {
      "type": "object",
      "description": "Specification for creating a new Pool.",
      "properties": {
        "displayName": {
          "type": "string",
          "description": "The display name for the Pool. The display name need not be unique and can contain any Unicode characters up to a maximum length of 1024."
        },
        "vmSize": {
          "type": "string",
          "description": "The size of the virtual machines in the Pool. All virtual machines in a Pool are the same size. For information about available sizes of virtual machines in Pools, see Choose a VM size for Compute Nodes in an Azure Batch Pool (https://learn.microsoft.com/azure/batch/batch-pool-vm-sizes)."
        },
        "virtualMachineConfiguration": {
          "$ref": "#/$defs/VirtualMachineConfigurationUpdate",
          "description": "The virtual machine configuration for the Pool. This property must be specified."
        },
        "taskSlotsPerNode": {
          "type": "integer",
          "format": "int32",
          "description": "The number of task slots that can be used to run concurrent tasks on a single compute node in the pool. The default value is 1. The maximum value is the smaller of 4 times the number of cores of the vmSize of the pool or 256."
        },
        "taskSchedulingPolicy": {
          "$ref": "#/$defs/BatchTaskSchedulingPolicyUpdate",
          "description": "How Tasks are distributed across Compute Nodes in a Pool. If not specified, the default is spread."
        },
        "resizeTimeout": {
          "type": "string",
          "format": "duration",
          "description": "The timeout for allocation of Compute Nodes to the Pool. This timeout applies only to manual scaling; it has no effect when enableAutoScale is set to true. The default value is 15 minutes. The minimum value is 5 minutes. If you specify a value less than 5 minutes, the Batch service rejects the request with an error; if you are calling the REST API directly, the HTTP status code is 400 (Bad Request). The time duration is specified in ISO 8601 format."
        },
        "targetDedicatedNodes": {
          "type": "integer",
          "format": "int32",
          "description": "The desired number of dedicated Compute Nodes in the Pool. This property must not be specified if enableAutoScale is set to true. If enableAutoScale is set to false, then you must set either targetDedicatedNodes, targetLowPriorityNodes, or both."
        },
        "targetLowPriorityNodes": {
          "type": "integer",
          "format": "int32",
          "description": "The desired number of Spot/Low-priority Compute Nodes in the Pool. This property must not be specified if enableAutoScale is set to true. If enableAutoScale is set to false, then you must set either targetDedicate

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# Full source: https://artifacts.apis.io/microsoft-azure-batch/json-schema/microsoft-azure-batch-batch-job-update-options-schema.json