Exchange hybrid deployment troubleshooting

This library of articles provides guidance to troubleshoot and fix errors that you may experience when using Exchange hybrid deployments. For a complete list of articles, browse the navigation pane on the left, or use the search box above the pane to filter by keywords and find help with a specific issue.

Administration

How-To Guide

• 405 error for the connection to associated endpoints
• Can't add and verify a domain in hybrid
• Can't set up a hybrid deployment when running Set-FederatedOrganizationIdentifier

Calendars

How-To Guide

• "550 5.1.11 RESOLVER.ADR.ExRecipNotFound" when delegate sends update to meeting
• Can't access free/busy of non-Internet-facing AD site
• Can't add conference rooms to meeting requests in OWA

Email Delivery

How-To Guide

• Can't send mail to a moved mailbox
• Can't receive mail after installing new certificate
• Email from the Edge Transport server appears as mail from external contacts

Groups and Distribution Lists

How-To Guide

• Can't access Microsoft 365 groups in Outlook
• Can't manage groups that's synced to Microsoft 365
• Dynamic distribution group members don't receive emails

Hybrid Configuration Errors

How-To Guide

• 1007 AccessDenied or Ensure your system time is correct error
• 550 5.7.64 Relay Access Denied ATTR36
• ADSTS50011 error when running the Hybrid Configuration Wizard

Move Mailboxes

How-To Guide

• 403 forbidden error when moving mailboxes to Exchange Online
• Access is denied error when moving mailboxes
• Can't find a recipient that has mailbox GUID error