A single user account is experiencing access issues when attempting to log into the VAMI for one specific vCenter server.
This issue does not affect the same user's access to another vCenter server in the same environment.
vCenter 7.0
vCenter 8.0
This is a known issue in vCenter whereby a user account which is added to a user group on one vCenter does not appear in the same user group in partner vCenters.
This issue is fixed in 8.0U2 (build 22385739) onwards.