Exchange Server 2016 : Outlook Search Not Working

 Microsoft Exchange Server 2016 : Outlook Search Not Working.

This issue happen when the "Content Index State" is either corrupted or incorrect.

1. Open --> Exchange Management Shell

2. Get-MailboxDatabaseCopyStatus * | sort name | Select name,status,contentindexstate

3. If the "Content Index State" = FailedandSuspended = Corrupted.

4. Stop-Service MSExchangeFastSearch

5. Stop-Service HostControllerService

6. Get-MailboxDatabase [DB Name] | select EdbFilePath

7. Open --> File Explorer --> Browse to [EDB Path] (eg. F:\Program Files\Microsoft\Exchange Server\V15\Mailbox\Mailbox Database)

8. Find a Sub-Folder with a GUID Name (eg. C5B6A9C4-DDA8-xxxx-xxx), DELETE the entire Sub-Folder.

9. Start-Service MSExchangeFastSearch

10. Start-Service HostControllerService

11. It will take some times to regenerate the index, be patient.

12. To check status --> Get-MailboxDatabaseCopyStatus * | sort name | Select name,status,contentindexstate

13. The status should either be "Crawling" = Work-in-Progress or "Healthy" = Good.

!!! HAPPY COMPUTING !!!