Confirm Edge cluster name by navigating to NSXT UI > System > Fabric > Nodes > Edge Cluster
In the above example we see, Edge cluster name as "Edge test server" and "Edge test client". In comparison to the database, correlating with its associated ID, the name differs.
You will find the name mismatch mentioned in operationsmanager.log, similar to below entries.
less /var/log/vmware/vcf/operationsmanager/operationsmanager.log
YYYY-MM-DDThh:mm ERROR [vcf_om,67b4f36e4c4XXXd8cef512f57cbc4ff9,ef45] [c.v.v.p.u.changers.NsxtEdgeChanger,om-exec-28] Exception occurred while changing NSXT Edge node credentials java.lang.IllegalArgumentException: Unable to find edge cluster with name edge-test-corp
SDDC Manager 4.x
SDDC Manager 5.x
Edge cluster name mismatch in SDDC Manager Platform DB
The edge cluster was renamed from the NSX manager post being deployed from the SDDC manager.
Please note editing the NSXT edge cluster name in the SDDC is not allowed. For more details refer the below KB:
Renaming VCF SDDC manager objects
To fix this issue we would suggest to change the name back in the NSX manager following the below steps:
On the SDDC manager you should be able to rerun the password task.
If the rename on the NSXT is not possible engage the VMware Support for further assistance.