AHV clusters with AOS versions 5.20.4+ (LTS) or 6.1.1+ (STS) shown as unavailable in Veeam Console
| KB ID: | 4335 |
| Product: | Veeam Backup for Nutanix AHV | 3 | 4 | 5 | 5.1 | 6 | 6.1 | 7 | 9 | 9.2 |
| Published: | 2022-06-29 |
| Last Modified: | 2022-06-29 |
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Challenge
If the machine where Veeam Backup & Replication is installed is running Windows Server 2012R2 OS or earlier, and the Nutanix AHV Clusters are running AOS versions 5.20.4+ (LTS) or 6.1.1+ (STS), the following may occur:
- Nutanix Clusters that were previously added to Veeam Backup & Replication may become listed as unavailable.
- Attempting to add a new cluster may fail with the error:
Failed to get certificate from cluster '<IP>”.
Cause
Refer to this Nutanix KB article for more information:
https://portal.nutanix.com/page/documents/kbs/details?targetId=kA07V000000LZCuSAO
Solution
Solution 1: Upgrade the Windows OS
Upgrade the server that Veeam Backup & Replication is installed on to Windows Server 2016 or newer.
Solution 2: Modify AOS to Enable the Dropped Ciphers
Enable TLS 1.2 in the Windows OS where Veeam Backup & Replication is installed, and then refer to Nutanix Article for instructions on enabling the dropped ciphers in AOS.
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