Microsoft recently implemented an enhancement to Windows Azure Active Directory (WAAD) to support up to 300,000 synchronised users from Active Directory.
Previously the limit was 50,000 users and only a Service Request could get this limit increased, however these recent change makes 300k users the default.
This increase was published in the Service Updates for Office 365 in July, and should hopefully save some support calls!
Discover more from Loryan Strant, Microsoft 365 MVP
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