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azure-automation-service-limits.md

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title description services author ms.service ms.topic ms.date ms.author ms.custom
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automation
mgoedtel
automation
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05/04/2021
magoedte
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Process automation

Resource Limit Notes
Maximum number of new jobs that can be submitted every 30 seconds per Azure Automation account (nonscheduled jobs) 100 When this limit is reached, the subsequent requests to create a job fail. The client receives an error response.
Maximum number of concurrent running jobs at the same instance of time per Automation account (nonscheduled jobs) 200 When this limit is reached, the subsequent requests to create a job fail. The client receives an error response.
Maximum storage size of job metadata for a 30-day rolling period 10 GB (approximately 4 million jobs) When this limit is reached, the subsequent requests to create a job fail.
Maximum job stream limit 1 MiB A single stream cannot be larger than 1 MiB.
Maximum number of modules that can be imported every 30 seconds per Automation account 5
Maximum size of a module 100 MB
Maximum size of a node configuration file 1 MB Applies to state configuration
Job run time, Free tier 500 minutes per subscription per calendar month
Maximum amount of disk space allowed per sandbox1 1 GB Applies to Azure sandboxes only.
Maximum amount of memory given to a sandbox1 400 MB Applies to Azure sandboxes only.
Maximum number of network sockets allowed per sandbox1 1,000 Applies to Azure sandboxes only.
Maximum runtime allowed per runbook1 3 hours Applies to Azure sandboxes only.
Maximum number of Automation accounts in a subscription No limit
Maximum number of Hybrid Worker Groups per Automation Account 4,000
Maximum number of concurrent jobs that can be run on a single Hybrid Runbook Worker 50
Maximum runbook job parameter size 512 kilobytes
Maximum runbook parameters 50 If you reach the 50-parameter limit, you can pass a JSON or XML string to a parameter and parse it with the runbook.
Maximum webhook payload size 512 kilobytes
Maximum days that job data is retained 30 days
Maximum PowerShell workflow state size 5 MB Applies to PowerShell workflow runbooks when checkpointing workflow.
Maximum number of tags supported by an Automation account 15

1A sandbox is a shared environment that can be used by multiple jobs. Jobs that use the same sandbox are bound by the resource limitations of the sandbox.

Change Tracking and Inventory

The following table shows the tracked item limits per machine for change tracking.

Resource Limit Notes
File 500
File size 5 MB
Registry 250
Windows software 250 Doesn't include software updates.
Linux packages 1,250
Services 250
Daemon 250

Update Management

The following table shows the limits for Update Management.

Resource Limit Notes
Number of machines per update deployment 1000
Number of dynamic groups per update deployment 500