If the connector does not start properly after an upgrade, you can roll back to a previous instance.

Problem

After you upgrade your connector instance, it does not start correctly. You reviewed the upgrade error logs and ran the upgrade command again but it did not resolve the issue.

Errors occurred during the upgrade process.

Procedure

Revert to one of the snapshots you took as a backup of your original connector instance. For information, see the vSphere documentation.