Update 11/5/2025: Customers using Entra Connect Sync version 2.5.79.0 who have enabled cloud management of Exchange attributes for users may experience persistent export errors labeled "ExchangeMana...
Updated Nov 05, 2025
Version 2.0
Blog Post
I tried setting one account to IsExchangeCloudManaged $true, and since then, I’ve been receiving a synchronization error from Entra Connect (version 2.5.79.0). The error is:
ExchangeManagedAttributesUpdateNotAllowed
No additional details are provided.
kumarmukeshMicrosoft
Gly I have dm'ed you to share more info over email to debug your problem. Please check your messages.
kumarmukesh we had the same experience as Gly - Please share your results if you have any. THX
We are also experiencing the same issue, getting ExchangeManagedAttributesUpdateNotAllowed and our entra connect sync is 2.5.79.0
Please share your results if you able to solve it :D
