GSX Blog

Top Office 365 Issues: Unable to login due to Azure AD Connect sync issues

Posted by Pavan Reddy on Tue, Jan 24, 2017

When users are unable to access their mailbox or SharePoint on Office 365, this can sometimes be due to sync issues. Most organizations will use AAD connect (previously called DirSync, and AD sync) to sync their on-premise identities to their Office 365 environment, so it’s important that these two systems communicate to make it possible for users to access what they need on Office 365.

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Tags: Office 365 monitoring, Azure AD Connect performance, Azure AD Connect, SysAdmin Top Issues, office 365 health, office 365 performance, fixing office 365, Use cases