cannot remove vm from maintenance schedule

Question

I have a VM in a maintenance schedule that cannot be removed. When I try and do this, I get an error saying that the resource cannot be located. This VM was moved from one resource group to another; the error is trying to find the VM in its original resource group.

I have tried deleting the maintenance schedule entirely and re-creating it from scratch, then adding the VM, but updates are not successfully applied in update manager, and when I go to look at the VM in the new maintenance schedule, I get the same error. It's as if update manager is somehow remembering the resource group the VM was originally in, even though I moved it some time ago.

Answer 1

Hi Chris Welford

Welcome to the Microsoft Q&A Platform! Thank you for asking your question here.

Before moving a VM to a new resource group, verify that any existing maintenance configuration assignments are removed. This is important because the system does not support transferring resources with active configurations between resource groups or subscriptions.

After moving the VM, create a new maintenance configuration. When doing this, check that you assign the VM from its new resource group to the new maintenance configuration. If you try to use the same name for the configuration as before, allow at least 20 minutes for backend cleanup before recreating it.

If you are using dynamic scopes in your maintenance configuration, initiate or wait for the next scheduled run. This can help in completely removing any stale assignments related to the VM before re-adding it.
Reference:
https://learn.microsoft.com/en-us/azure/virtual-machines/troubleshoot-maintenance-configurations
https://learn.microsoft.com/en-us/azure/virtual-machines/maintenance-configurations-portal

Feel free to reach out if you have any further questions or need additional information—I’m happy to assist!

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