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How to fix Exchange mailbox migration error: Corrupt property type in restriction.

Babs-5917 10 Reputation points
2024-03-29T09:56:21.1666667+00:00

Could you please provide assistance in resolving the error encountered during the Microsoft Exchange migration to O365 process? Thank you.

Migration rate:

Error: CorruptRestrictionPropertyTypeException: Corrupt property type in restriction. --> Corrupt PropertyTag found. --> Unable to create custom property with property key [{00020329-0000-0000-c000-000000000046}:'Keywords'] type [31].

Exchange | Hybrid management
Exchange | Hybrid management

The administration of a hybrid deployment that connects on-premises Exchange Server with Exchange Online, enabling seamless integration and centralized control.


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  1. Thierry DEMAN-BARCELO 571 Reputation points MVP
    2024-04-02T08:31:53.78+00:00

    It seems that the problem has been corrected on the Microsoft side.

    In my case, the problem was due to the usage of Dynamics 365 searchfolder properties.

    User's image

    These properties are now automatically ignored (excluded) from the migration.

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