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Trouble Shooting Exchange Auto Discover Issue

Written June 2020. Microsoft changes these admin screens often, so the screenshots below may not match what you see today. The sequence of steps is usually still correct — if something looks wrong, tell us and we'll update it.

Time to Execute: 15m

  • 1.       Get the mailbox enabled user creds.
  • 2.       Use Test-OutlookWebServices command in exchange powershell to test the service yourself.
  • 3.       Check if the Internal Uri is defined for Auto Discover and the Default Web Sites URL’s are null for it.
  • 4.       Define OAB either via GUI or powershell.
  • 5.       Restart the IIS service and let the change to be replicated.

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