Windows error 5891 (ERROR_CLUSTER_QUORUMLOG_NOT

Status / error code:		Category:

Constant name:
Source:		Operating System:
Description: The quorum resource does not contain the quorum log.

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ERROR_CLUSTER_QUORUMLOG_NOT_FOUND

ERROR_CLUSTER_QUORUMLOG_NOT_FOUND means the selected quorum resource does not contain the expected quorum log. This is a quorum-configuration or quorum-storage condition, not an application resource failure.

What to check

Confirm the active quorum model and witness configuration.
Verify that all nodes which should access a disk witness can see that disk consistently.
Check cluster logs before changing quorum settings; a witness problem may reflect a wider storage or connectivity fault.

Get-ClusterQuorum
Get-ClusterLog -UseLocalTime -Destination C:\Temp

Microsoft: Quorum witness

Microsoft: Deploy a quorum witness

Microsoft: Get-ClusterLog

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