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Azure AD Sync from on Premise fails on thumbnail when it is blank

Daniel Kaliel 1,266 Reputation points
2022-09-20T14:42:42.687+00:00

We have 9 users who's sync fails and it states it is because:

ExceededAllowedLength

extension_60f493c9d09642b0a0675e36d2f88e70_thumbnailPhoto

I've tried clearing the thumbnailPhoto from our on premise AD as well as telling the AD Sync Agent to not sync the thumbnail attribute. Yet nightly it still fails.

This is now causing legal problems as the affected users are not updating in AzureAD, in any field, including their certifications which we need to legally change.

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  1. Andy David - MVP 147.6K Reputation points MVP
    2022-09-20T14:55:48.81+00:00

    See:
    https://learn.microsoft.com/en-us/answers/questions/145751/azure-ad-connect-client-error.html

    The recommendation is to create a support case to fix this safely.

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