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TooManyBadItemsPermanentException error when migrating to Exchange Online?

Microsoft

May 30, 2017

Some of you may have noticed that more migrations might be failing due to encountering 'too many bad items'. Upon closer review, you may notice that the migration report contains entries referencing ...

Updated Jul 01, 2019

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Microsoft

Joined April 19, 2019

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You Had Me at EHLO.

Deleted

May 30, 2017

Thanks for this Ben. Could I make a suggestion that permissions errors get their own counter so that we can more easily differentiate between items that fail to migrate and permissions?

Alternatively, would it be possible to roll up permissions errors so that User X who left the company, but who still has permissions to 1,000 different folders within a mailbox, only counts as a single error?

Deleted
May 30, 2017
@Gavin - thanks for the suggestions. I'll make sure that the migration team gets this feedback.