Windows VM hangs on reboot after hot-add of CPU resources
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Windows VM hangs on reboot after hot-add of CPU resources

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Article ID: 440964

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Updated On:

Products

VMware vSphere ESXi

Issue/Introduction

Windows reboot hangs indefinitely after adding additional CPU cores to a running windows VM.

Environment

vCenter 8.x
ESXi 8.x
Windows OS

Resolution

If you encounter this issue, it is recommended you power off the VM before adding CPU resources.

Contact Microsoft support for assistance with this Windows Guest OS issue.

Additional Information

Related article:

Virtual machine stun or brief hang when performing Hot Add of CPU or memory resources