How to fix Well-Known Object Error
How to fix Well-Known Object Error?
You have to fix the well-known object error to correctly install CU15.
Whenever you see this error, it means some deleted objects in the Active Directory need to be removed.
Without removing them, you cannot install the latest Cumulative Update 15 on your Exchange Server 2019.
Follow the Article to see how to fix Well-Known Object Error
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Exchange 2019 CU 15 Stuck | Well-Known Object Error
Exchange CU 15 fails with Well-Known Object Error While Prepare/AD Microsoft Exchange 2019 CU 15 is the latest Exchange CU update released on 10 Feb 2025 This rollup update is highly recommended for all Exchange 2016 and 2019 users. Though it is straightforward for the Exchange Admins to install the latest Exchange CU updates However, sometimes it can be challenging…
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