Hyper-V Snapshot hangs at 9% and backup job fails with: 0xa0009731 - Timed out trying to create an application-consistent checkpoint
Article ID: 100054702
Updated On:
Description
Error Message
0xa0009731 - Timed out trying to create an application-consistent checkpoint. Possible cause of the problem: It takes too long to quiesce guest virtual machine applications and create a checkpoint.
Cause
This issue is caused by a delay within the Hyper-V snapshot process for that particular VM which causes the backup job to timeout.
Resolution
On the Hyper-V server please add the following registry key:
Warning: Incorrect use of the Windows registry editor may prevent the operating system from functioning properly. Great care should be taken when making changes to a Windows registry. Registry modifications should only be carried-out by persons experienced in the use of the registry editor application. It is recommended that a complete backup of the registry and workstation be made prior to making any registry changes.
Key = "HKEY_LOCAL_MACHINE\SOFTWARE\Veritas\Backup Exec For Windows\Backup Exec\Engine\HyperV Agent"
Value Name = "WMI Method Timeout"
Type = REG_DWORD
Value = 50 (in decimal)
Please restart the Backup Exec Remote Agent on the Hyper-V server after creating the above registry key.
Issue/Introduction
0xa0009731 - Timed out trying to create an application-consistent checkpoint
The backup of any other VM within the same environment works fine.
In the Hyper-V manager the snapshot process is stuck at 9%.
Snapshot creation within Hyper-V itself works fine, however the process for that particular VM might take longer then for any other VM.
Additional Information
