Update 10/10/2023: Our recommendation to address CVE-2023-21709 is now changed; please see the changes below.
Update 9/12/2023: As a part of the September 2023 "Patch Tuesday" we have released a fe...
Updated Oct 10, 2023
Version 18.0
Blog Post
The_Exchange_Team
The latest CU and both SUs are still screwing with '<appSettings>' in the 'web.config' files -- specifically in 'C:\Program Files\Microsoft\Exchange Server\V15\ClientAccess\ecp'. Despite the claim in the "2023 H1 CU" announcement and "https://learn.microsoft.com/en-us/Exchange/plan-and-deploy/custom-configuration-preservation?view=exchserver-2019" to preserve these settings, this continues to be a problem for me.
Our setting is removed every time we update our servers...
<!-- allows the OU picker when placing a new mailbox in its designated organizational unit to retrieve all OUs - default value is 500 -->
<add key="GetListDefaultResultSize" value="600" />
Is there something I'm missing?