Microsoft 365 Administrator Expert MS-102 Practice Question
You are preparing an on-premises Active Directory forest for its first Microsoft Entra Connect Sync deployment. After running IdFix with the default query, the report shows Character, Duplicate, Length, and TopLevelDomain errors. You want to use IdFix's AUTOFIX or UPDATE action to remediate every issue the tool can correct without additional work in Active Directory.
Which error type in the report cannot be remediated automatically and therefore always requires manual resolution before you enable directory synchronization?
IdFix can automatically repair Character and Length errors by removing illegal characters or truncating oversized values, and it can update TopLevelDomain errors once you supply the replacement routable suffix. However, Duplicate errors involve two or more objects with the same attribute value. Deciding which value to keep is a business decision that cannot be automated safely, so IdFix will not apply AUTOFIX or UPDATE to Duplicate errors. Administrators must manually modify or remove the duplicate values and rerun the query until no duplicates remain, making Duplicate the only error type in this list that IdFix cannot fix automatically.
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