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client research issue on Exchange

Sébastien RACINEUX 0 Reputation points
2025-12-05T16:21:44.8066667+00:00

when user launch a search on their email client (outlook or owa), the result is not complete or there is no answer on the search.

we already reindexed our exchange database and extended the maintenance period of the database but not better.

any idea ?

Exchange | Exchange Server | Other
Exchange | Exchange Server | Other
A robust email, calendaring, and collaboration platform developed by Microsoft, designed for enterprise-level communication and data management.Miscellaneous topics that do not fit into specific categories.
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  1. Teddie-D 9,355 Reputation points Microsoft External Staff Moderator
    2025-12-06T01:59:45.4333333+00:00

    Hi @Sébastien RACINEUX  

    Thank you for posting your question in the Microsoft Q&A forum. 

    From your description, it sounds like Outlook or OWA searches are returning incomplete results even after reindexing the Exchange database and extending maintenance.  

    Here are some steps you may try to fix this issue: 

    1.Verify search health 

    Get-MailboxDatabaseCopyStatus | Format-Table Identity, ContentIndexState 

    Ensure ContentIndexState is Healthy.

    2.Test indexing 

    Test-ExchangeSearch -Mailbox <test mailbox> 

    This verifies whether new items are indexed within roughly 10 seconds. 

     3.Identify unindexed documents:  

    Get-FailedContentIndexDocuments -Mailbox <mailbox>

    If filters are missing, install the required iFilters or move the mailbox to re-trigger indexing.   

    4.Make sure the following services are running: 

    -Microsoft Exchange Search 

    -Microsoft Exchange Search Host Controller 

    -Microsoft Exchange Transport Log Search 

    5.In Outlook client setting, confirm Cached Exchange Mode is enabled. 

    I hope this helps. 

    If the answer is helpful, please click "Accept Answer" and kindly upvote it. If you have extra questions about this answer, please click "Comment".   

    Note: Please follow the steps in our documentation to enable e-mail notifications if you want to receive the related email notification for this thread.  

  2. Sébastien RACINEUX 0 Reputation points
    2025-12-08T07:57:10.5433333+00:00

    Hi Teddie-D

    Thank you for your answer.

    1 - all databases are mounted and healthy.

    2 - the Test-exchangesearch give us a timeout for the test thread : i tried to increase the -indexingtimeoutinseconds to 300 but not better.

    what can we do to do not have this error ???

    User's image

    3 - we have lot of errors with "filter not found"

    4 - all services are running

    5 - we don't use cached exchange mode on Outlook because we are in citrix environment

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