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Steve Ritchie's avatar
Steve Ritchie
Copper Contributor
Oct 04, 2016

Extension Attributes Deselecting in AAD connect

I have a client where we have implemented AAD Connect to sync on prem AD to Office 365 and now they are concerned that some extension attributes (from exchange on prem) contain values that should not be synchronised to Office 365. I know you can deselect those extension attributes but is there any reason that Office 365 actually needs them so there could be a potential issue if we deselect any? we are only looking to exclude around 5 extension attributes.

I want to give the client confidence that we can deselect extension attributes without harming the service.

https://azure.microsoft.com/en-gb/documentation/articles/active-directory-aadconnectsync-attributes-synchronized/#attributes-to-synchronize

Thank you for any help.

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