ArchiveGuid is used by another recipient object.

Question

how to avoid this in the future, i'm thinking it from rehires and softdeletes

Exchange: The execution of cmdlet Enable-Mailbox failed. The value "####-1##d-4##-###-######55a57" of property "ArchiveGuid" is used by another recipient object. Please specify a unique value..;

Answer 1

Hi,

Could you please provide information on whether this is for on-premise Exchange or Exchange hybrid scenario.

If its Exchange hybrid, then it could you possible that ArchiveGUID is mapped to an active mailbox/mailuser or a soft deleted mailbox/mailuser.

No.14 in the below article has the steps,
https://answers.microsoft.com/en-us/msoffice/forum/all/known-solutions-for-hybrid-migrations-errors/c23571c6-5950-4e09-bbe3-41e9c3b47d87

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Answer 2

Hi @Efff dd

This error may indicate some soft-deleted mailboxes are still occupying the ArchiveGuid, which caused the conflict.

Here is a link which should be helpful: How to fix Office365 user provisioning issues that are generated by faulty Exchange attributes
Please refer to Part 2 for more detailed information and steps to fix this issue.

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