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This update for Azure Stack version 1905 includes fixes to storage and compute services. No new features are being introduced in this update.

Important changes include the following:

  • Fixed issue: Queue message expiration due to time skew in storage service.

  • Fixed issue: User image creation and deletion operations fail if an image is in a failed state.


  • Queue messages: Messages in a queue will expire immediately after creation and tagged for garbage collection. This issue may present in three cases:

    • Retrieval of resources in Azure Resource Manager will fail.

    • Usage metric data is not collected and uploaded for processing.

    • Customer developed applications will fail to retrieve messages.

  • User image management: Failed user image creation will put the user image service into a bad state.

    • New image creation will fail once the service is in this state.

    • Deletion of image may fail with the following error "Error: An internal disk management error occurred."


  • Queue message: Time skew in one of the instances running the table service will cause all subsequent messages to set to a fixed creation date. After 7 days (the default a expiration time for a message), the service will consider the message expired and tag it for garbage collection.

  • User image management: Due to the failed image creation, the user image manager does not have sufficient data in its repository to delete the image.

Hotfix information

To apply this hotfix, you must have version 1.1905.0.40 installed.

Important As outlined in the Release Notes for the 1905 update, make sure that you refer to the update activity checklist on running Test-AzureStack (with specified parameters), and resolve any operational issues that are found, including all warnings and failures. Also, review active alerts and resolve any that require action.

File information

How to get this update

Download the following files. Then, follow the instructions on the Apply updates in Azure Stack page on the Microsoft Learn website to apply this update to Azure Stack.

Download the file now.

Download the hotfix .xml file now.

More information

Azure Stack update resources

Manage updates in Azure Stack overview

Apply updates in Azure Stack

Monitor updates in Azure Stack by using the privileged endpoint

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