Repair On Cluster Name - Does it cause downtime on VMs?

Question

Repair On Cluster Name - Does it cause downtime on VMs?

Mikkel Lund Knudsen 116

So - we got a Failover Cluster running Server 2019 where the Validation Report states the following :

Validating network name resource Name: TESTHYPERVCLUSTER for Active Directory issues.
The cluster network name resource 'Name: TESTHYPERVCLUSTER ' has issues in the Active Directory. The account could have been disabled or deleted. It could also be because of a bad password. This might result in a degradation of functionality dependent on the cluster network name. Offline the cluster network name resource and run the repair action on it.

If I take the Cluster Name offline - will it cause downtime for the VMs?

Mikkel Lund Knudsen 116 Reputation points

2020-12-17T23:44:52.657+00:00

Just wanted to add here - NO - it did not cause downtime, and YES - it was the cause of why my Live Migrations didnt work :)

Green Validation - mighty well sleep ;-)
Xiaowei He 9,936 Reputation points

2020-12-18T01:52:36.27+00:00

Nice!
Pedro Maia 0 Reputation points

2025-03-19T19:14:58.9366667+00:00

Hi, we followed this article to the letter and it resolved our issue. It's sad to say that 5 days later with a called logged as Severity A that Microsoft was not able to resolve or process a resolution.

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Mikkel Lund Knudsen 116 Reputation points

2020-12-17T23:44:52.657+00:00

Just wanted to add here - NO - it did not cause downtime, and YES - it was the cause of why my Live Migrations didnt work :)

Green Validation - mighty well sleep ;-)
Xiaowei He 9,936 Reputation points

2020-12-18T01:52:36.27+00:00

Nice!
Pedro Maia 0 Reputation points

2025-03-19T19:14:58.9366667+00:00

Hi, we followed this article to the letter and it resolved our issue. It's sad to say that 5 days later with a called logged as Severity A that Microsoft was not able to resolve or process a resolution.

Answer 1

Xiaowei He 9,936

Hi,

If I take the Cluster Name offline - will it cause downtime for the VMs?

No, repair CNO will not affect VMs. Please try to offline the CNO and right click it and do "Repair":

Thanks for your time!
Best Regards,
Anne

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Mikkel Lund Knudsen 116 Reputation points

2020-12-16T07:09:12.7+00:00

Hello Anne,

Thanks for the answer - I will return with the result asap.

A broken Cluster object - could that be why I cant migrate VM's? Right now - all LM fails with 21502 error. :(
Xiaowei He 9,936 Reputation points

2020-12-16T07:48:50.01+00:00

Hi

After repair CNO, if the live migration issue still exists, it's recommended to open a new thread with the detailed error message, let's troubleshoot the live migration issue.

Best Regards,
Anne
Mikkel Lund Knudsen 116 Reputation points

2020-12-16T08:54:41.51+00:00

Got it ;-)

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Repair On Cluster Name - Does it cause downtime on VMs?

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