Recently, I upgraded my vCenter to 6.7 U3 and afterwards I wasn’t able to into my vCenter appliance via SSH and more surprisingly I wasn’t able to log into the VAMI.
If you would like assistance in the below or have general questions about Cloud solutions, VMware, and more, feel free to visit the following URL and I will be able to work directly with you:
https://bit.ly/3qcNxsN


Resolution:
Reboot of the vCenter Appliance
Result:
I was able to log into the VAMI
I went to Access > Edit > enable SSH
I was then able to putty into the vCenter Appliance
Summary:
Took a while troubleshooting and looking through documentation and google. I finally got frustrated and rebooted the appliance to see if it would fix the issue and bingo. I hope this helps anyone else who runs into the same issue.