SharePoint Subscription Edition, Offline Prerequisite Installation
Microsoft has simplified the installation of SharePoint Server Subscription Edition (SE) compared to previous versions, a significant improvement for administrators. However, it is important to note a new prerequisite introduced with the March 2023 update (version 23H1 , 16.0.16130.20206): because the software was recompiled with the Visual C++ 2022 compiler , the Visual C++ Redistributable Package for Visual Studio 2015-2022 (in lieu of the 2015-2019 version) has since become the new prerequisite for subsequent SE installations. Currently the latest major feature release is 25H2 (Sept. 2025). Recently I had to install SE offline with the latest cumulative updates, so I pre-downloaded the Visual C++ 2015-2022 Redistributable and the March 2026 CU (KB5002843, 16.0.19725.20076) for slipstreaming. That process exposed a bit of SharePoint pain. Two things: 1. (Minor) The Redistributable file name is the same between the old and new packages - VC_redist.x64.exe - ...