System Center 2012 Virtual Machine Manager SP1 Maintenance Mode Causes Refresh Errors 13926, 2606

Article ID: 2800073
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Symptoms

When using System Center 2012 Virtual Machine Manager SP1 to put a cluster node into Maintenance Mode by right-clicking on the host and selecting "Start Maintenance Mode", manual or system refreshes of the cluster fail with one of the following errors/warnings while the "Start Maintenance Mode" job is still running:

Warning (13926)
Host cluster <name> was not fully refreshed because not all of the nodes could be contacted. Highly available storage and virtual network information reported for this cluster might be inaccurate.
Recommended Action
Ensure that all the nodes are online and do not have Not Responding status in Virtual Machine Manager. Then refresh the host cluster again.

Error (2606)
Unable to perform the job because one or more of the selected objects are locked by another job.

Cause

The "Start Maintenance Mode" process locks the host that is being put into the Maintenance Mode, the cluster where the host is located, and all the virtual machines on the host. These objects remain locked while the "Start Maintenance Mode" job is running. Since these objects are locked, manual or system refreshes fail while the job is running. 

Resolution

This behavior is by design. Once the "Start Maintenance Mode" job is complete, both manual and the system refreshes of the cluster should complete successfully. 
Note This is a "FAST PUBLISH" article created directly from within the Microsoft support organization. The information contained herein is provided as-is in response to emerging issues. As a result of the speed in making it available, the materials may include typographical errors and may be revised at any time without notice. See Terms of Use for other considerations.

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Article ID: 2800073 - Last Review: January 15, 2013 - Revision: 1.0
Keywords: 
KB2800073

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