This issue occurs due to connection timeout.

In the vCenter logs you will find similar errors:

====================

2020-01-21T12:13:21.156721+00:00 us01-6-sso1 lsassd[1160]: 0x7fcbbeffd700:Failed to find user, group, or domain by name (name = 'sshirude@virtuallyvtrue.com', searched host = 'ad.virtuallyvtrue.com') -> error = 40098, symbol = LW_ERROR_RPC_OPENPOLICY_FAILED

2020-01-21T12:13:21.235195+00:00 us01-6-sso1 lsassd[1160]: 0x7fcbbf7fe700:Failed to find user, group, or domain by name (name = 'sshirude@virtuallyvtrue.com', searched host = 'ad.virtuallyvtrue.com') -> error = 40098, symbol = LW_ERROR_RPC_OPENPOLICY_FAILED

====================

Follow below steps to change likewise registry to resolve this issue:

  1. Connect to the vCenter Server Appliance with an SSH session and root credentials.
  2. Run this command to switch to the bash shell:
    shell
  3. Run this command to add the registry entry:
    /opt/likewise/bin/lwregshell add_value '[HKEY_THIS_MACHINE\Services\lwio\Parameters\Drivers\rdr]' ConnectTimeout REG_DWORD 5
  4. Run this command to change the EchoInterval to 30 (Minimum supported value & maximum supported value 300):
    /opt/likewise/bin/lwregshell set_value '[HKEY_THIS_MACHINE\Services\lwio\Parameters\Drivers\rdr]' EchoInterval 30
  5. Restart the vCenter Server Appliance services by running:
    service-control --stop --all

    service-control --start --all