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Article ID: 2922318 - Last Review: January 6, 2014 - Revision: 1.1

Symptoms

When you try to put a Virtual Machine Manager host that has a third-party switch extension installed into Maintenance Mode you receive the following error message: 

10434 No suitable host is available for migrating the existing highly available virtual machines. 

Cause

This issue can occur if most of the ports on switch extensions and port profiles are being used.

Resolution

To resolve this issue, take one of the following actions: 
  • Increase the maximum number of available ports on switch extensions and port profiles. There should be at least one available port for each virtual machine. 
  • Live-migrate virtual machines that are using switch extensions manually one by one before you put the host in Maintenance Mode.

Applies to
  • Microsoft System Center 2012 R2 Virtual Machine Manager
  • Microsoft System Center 2012 Virtual Machine Manager
Keywords: 
KB2922318
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