Issue: Shared mailbox hit quota during journal migration
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Overview
The error below occurs during the Mail Archive Migration step of a shared mailbox during a journal migration.
ErrorInternalServerError|An internal server error occurred. The operation failed.|[InnerErrorMessageText, The process failed to get the correct properties.] | [InnerErrorResponseCode, ErrorQuotaExceeded] | [InnerErrorDescriptiveLinkKey, 0]
Cause
This occurs when the CompressedSize is greater than the OriginalSize. Journal mappings are calculated based on OriginalSize.
Solution:
The customer may assign a license to the shared mailbox, which will allow for a 100 GB limit. Alternatively, the customer may create another shared mailbox manually and move some data to that one. We can then continue the migration for the initial shared mailbox.