Today we are re-releasing the November 2024 SUs for Exchange Server. The original release of these SUs (released on 11/12/2024) introduced an issue with Exchange Server transport rules stopping after...
Updated Jan 28, 2025
Version 11.0
Blog Post
tried to install v2 on exchange server 2016 cu23 with last su installed but it keeps failing with this assembly error.. previous security updates never show this or similar errors, only this time.
started install with admin cmd and this file is in \v15\Public directory.. key exists in reg under key_classes_root\installer\assembilies\global (multi-string).. also repaired visual c++ redist.. any ideas?
note- we did not install v1 of this update as it got pulled in time before sccm can find it
Product: Microsoft Exchange Server -- Error 1935. An error occurred during the installation of assembly 'Microsoft.Exchange.Data.Common,version="15.1.2503.00",fileVersion="15.1.2507.43",culture="neutral",publicKeyToken="31BF3856AD364E35",processorArchitecture="MSIL"'. For more information, refer to Microsoft Help and Support. HRESULT: 0x800700B7. assembly interface: IAssemblyCacheItem, function: Commit, component: {B79F9EB4-6D81-48F3-BC2D-3A0A83C30742}
I have a similar experience with KB5049233 and error 0x800700B7.
Just a hopeless shot in the dark, I tried applying patch KB5036401 first and then KB5049233 and went through without errors. Maybe helps to you too.