Tuesday, 25 November 2008

Hyper-V: VM Error Paused-Critical

We were in the process of setting up some VMs on one of our Server Core based Hyper-V servers.

During the setup process, all of the VMs on the Hyper-V box would go into pause mode.
VirtualMachine: Paused-Critical
That message was a bit of a puzzle since as far as we knew things were 100% with the Hyper-V box. It was pretty much a new build.

It seems that this condition indicates the storage location for the VM files is running out of space: Microsoft TechNet Forums: Virtual machine state: Paused-Critical.

Sure enough, when looking at the partitioning scheme and available space, the partition the VMs were residing on was just about full.

A little partition restructuring was done to fix the shortage of space and the VMs no longer paused.

Philip Elder
Microsoft Small Business Specialists

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