After March24 SU Search issue in Outlook (cached mode)

 Issue:

After installing the Security Update, some of the customers have issue with Search in Outlook (cached mode). Error message: "We're having trouble fetching results from the server..." when performing Outlook search. 

Reason: 

Issue with the SU.

Solution :

There is no direct solution but there is a workaround:

1) Use OWA or Outlook online mode if possible.

2) Disable server assisted search by creating following registry key:
Path: HKEY_CURRENT_USER\Software\Microsoft\Office\16.0\Outlook\Search
• Value name: DisableServerAssistedSearch
• Value type: REG_DWORD
• Value: 1

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