Upgrade Azure AD Connect

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Today I went to upgrade the Azure AD Connect for a small client. This environment is quite small and the Azure AD Connect is installed on a domain controller.

I went through the motions but received an error- "Group with name ADSyncAdmins was not found in the machine context". This is a domain controller so there are no local users and groups. I reviewed the Event Logs and found there were several groups which had the same error.

After some contemplating, I decided to create the groups in Active Directory (Domain security groups). The following groups were created-

  • ADSyncAdmins
  • ADSyncBrowse
  • ADSyncOperators
  • ADSyncPasswrodSet

I did not populate the groups and re-ran the wizard which completed successfully.