KB5001088: "BackupComplete" event message is not received when backing up Windows Server 2012 or Server 2012 R2 VMs residing on Windows Server 2016 or Server 2019 host

Applies To
Windows Server 2012 Windows Server 2012 R2 Windows Server 2016 Windows Server 2019

Symptoms

When a backup is performed of Windows Server 2012 or Windows Server 2012 R2 virtual machines (VMs) that are hosted on a Windows Server 2016 or Windows Server 2019 device, Hyper-V integration services (also known as integration components) does not send a message that states that the backup is completed.

To verify this is the issue that you are experiencing, check the transaction log such as for Microsoft Exchange, SQL Server, or third-party application transaction log for the "Waiting for completion" message.

Cause

This issue occurs because some applications that run in a VM may not truncate their transaction log after a successful backup.

How to get this update

This update is offered as an Optional update on Windows Update.

Restart information

You do not have to restart the device if no VMs are running.

File information

The English (United States) version of this software update installs files that have the attributes that are listed in the following table.

File name File version Date Time File size
Windows5.x-HyperVIntegrationServices-x64.msi Not versioned 4-Mar-2021 1:29 1,646,592
Windows5.x-HyperVIntegrationServices-x64.xml Not versioned 3-Mar-2021 21:06 130
Windows6.x-HyperVIntegrationServices-x64.cab Not versioned 4-Mar-2021 3:05 687,976
Windows6.2-HyperVIntegrationServices-x64.cab Not versioned 4-Mar-2021 3:09 757,727
Windows6.x-HyperVIntegrationServices-x64.xml Not versioned 3-Mar-2021 21:06 167
autorun.inf Not versioned 18-Jun-2013 7:47 130
setup.exe 6.3.9600.19984 4-Mar-2021 1:02 135,072
Windows5.x-HyperVIntegrationServices-x86.msi Not versioned 4-Mar-2021 0:50 1,363,968
Windows5.x-HyperVIntegrationServices-x86.xml Not versioned 3-Mar-2021 21:06 130
Windows6.x-HyperVIntegrationServices-x86.cab Not versioned 4-Mar-2021 1:09 606,464
Windows6.2-HyperVIntegrationServices-x86.cab Not versioned 4-Mar-2021 1:13 606,621
Windows6.x-HyperVIntegrationServices-x86.xml Not versioned 3-Mar-2021 21:06 167
setup.exe 6.3.9600.19984 4-Mar-2021 0:19 118,688

References

See the terminology that Microsoft uses to describe software updates.