ADServerSettingsChangedException : An error caused a change in the current set of domain controllers.

The following error may occur when syncing to o365.

ADServerSettingsChangedException: An error caused a change in the current set of domain controllers.

ADServerSettingsChangedException errors are typically transient. If they persist or reoccur frequently, you should contact Microsoft Support to identify the cause.

When this error occurs on ADD, the next sync will re attempt the Add.

When this error occurs on DELETE, UnitySync will leave an orphan (because a Delete is only attempted once). Note: As of v4.1.36 the delete error will not cause an Orphan. A followup sync will attempt the Delete again.