Guest VM Boot May Hang on a Multiprocessor VirtualBox Host Running Windows 8.1 or Windows 2012 R2 (Doc ID 2200354.1)

Last updated on MAY 05, 2017

Applies to:

Oracle VM VirtualBox - Version 5.0 to 5.1 [Release 5.0]
Information in this document applies to any platform.

Symptoms

We have seen an issue where VirtualBox VM is not booting up properly, but is hanging at the middle of the boot process.

The issue was reported on VirtualBox 5.0.24 VM which was running on Microsoft Windows Server 2012 R2.

Cause

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