#VMWARE TOOLS FOR WINDOWS 2012R2 KEYGEN#
However, some applications still take a consistent backup of Active Directory without generating this event, as long as they trigger the VSS writer. Event ID 1917 provides the confidence that your configuration is properly triggering the VSS writer. Veeam’s Application-Aware Processing allows for these kinds of backups.Īfter a backup, check the domain controller’s event logs through Event Viewer ( eventvwr.exe). Make backups of Domain Controllers using the volume shadow copy writers. VMware Tools’ Quiescence feature prevented the VM Generation ID feature from working correctly. Since Windows Server 2012, Active Directory Domain Services has virtualization safeguards to prevent USN rollbacks in cases like this. When restoring the Domain Controller from backup, data loss occurred. This process might include such operations as flushing dirty buffers from the operating system's in-memory cache to disk, or other higher-level, application-specific tasks. Quiescing is the process of bringing the on-disk data of a physical or virtual computer into a state suitable for backups.
Instead of using snapshots or the Volume Shadow Copy writers from Windows, the organization relies on VMware Tools Quiescence: The organization creates backups of the virtual machines. The VMware Tools are installed on the virtual machine. A strange issue reared its ugly head last week regarding something I hold dearly: Active Directory backups.Īn organization runs Active Directory Domain Controllers virtually on top of VMware vSphere. Sometimes, IT issues are not what they seem to be.
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