Exchange Server
A family of Microsoft client/server messaging and collaboration software.
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See the known issues. Its been updated:
Outlook search not working after installing Exchange Server 2019 CU14 SU1 (KB5036401)
Saeed Khalifi
46
Reputation points
Hello everyone.
I recently installed SU1 (KB5036401) for CU14 on Exchange Server 2019.
It went smoothly with no issues.
After the update, users cann't search emails in Microsoft Outlook app, OWA works fine though.
Also envelope icon is showing for new mails received in Outlook app and it doesn't get cleared after opening that email, there's no issue in OWA.
There was no mention of these issues in "Known Issues" section.
Is there any workaround? Does uninstalling the update fix the issue for the time being?
Thanks in advance
Exchange Server
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Accepted answer
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Andy David - MVP 144.2K Reputation points MVP2024-03-15T13:18:13.4266667+00:00 -
Ronnachai Chintan 0 Reputation points2024-03-18T09:12:43.5666667+00:00 I tried to update registry and that are work fine. but i would like to know the microsoft tema will be release new patch for resolve this issue right. cause we have alot of client. we cannot made them all. thanks
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![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(60.8, 42%, 15%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EJF%3C/text%3E%3C/svg%3E)
Jason Fudenberg 5 Reputation points2024-03-19T22:09:57.63+00:00 So the acceptable answer to fix a server-side broken patch is to tell people to edit the registry on local workstations and tell Outlook to ignore the server search results? Unacceptable. A new security patch should be released ASAP to fix this problem. Does Microsoft test anything before releasing it anymore?
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![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(96, 54%, 19%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EWV%3C/text%3E%3C/svg%3E)
William Vissenaeken 0 Reputation points2024-04-08T06:49:03.64+00:00 Seems like all indexes needed to rebuilt on our side. Afterwards, search operational again.
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6 additional answers
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Amit Singh 4,866 Reputation points2024-05-22T03:45:54.1733333+00:00 This workaround worked for many users-
Set a field in registry to 0 and can re-enable it when fixed by putting it back to 1.
Can confirm this workaround works.
For on Premise Exchange:• Key: HKEY_CURRENT_USER\Software\Microsoft\Office\16.0\Outlook\Search• Value name: DisableServerAssistedSearch• Value type: REG_DWORD• Value: 1setting it back to 0 presents the issue again, so can rolback once it's been fixed up.
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(304, 61%, 39%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EAD%3C/text%3E%3C/svg%3E)