Upgrading NSX-T from SDDC Manager fails at stage : NSX T PERFORM BACKUP on migrated setup
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Article ID: 324094
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Updated On:
Products
VMware Cloud Foundation
Issue/Introduction
Symptoms:
While connected to NSX-T manager -> System -> Backup & Restore, the cluster backup status shows as failed with: "Bad ssh fingerprint for backup server"
Environment
VMware Cloud Foundation 3.9.x
Cause
During a VMware SDDC Manager migration upgrade, the fingerprint of old VMware SDDC Manager VM may be left behind in the NSX-T Manager backup settings, thus causing the NSX-T backup to fail.
Resolution
This is a known issue affecting VMware Cloud Foundation 3.9.1, currently there is no resolution. To workaround the issue please see the steps below.
Workaround:
In a browser navigate to the NSX-T UI page.
Navigate to System -> Backup & Restore.
Under the Backup tab click on Edit.
Remove the existing value in the SSH fingerprint text field and save the configuration. It will update the latest fingerprint.