Software Update Point Installation is for patch deployment. SCCM integrates WSUS to perform OS update and Microsoft application update. When we installed SCCM, we also installed WSUS.
The mechanism is that WSUS collects information after scanning computers for information like which updates have been installed and which haven’t or some computers require some updates while other computers don’t require, and stores in its database. Software Update Point (SUP) is a role in SCCM to integrate WSUS into SCCM. WSUS passes on information to SUP and SUP deploys updates to target devices. So now we need to install SUP on a server which has WSUS.
SCCM log path: C:\Program Files\Microsoft Configuration Manager\Logs
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SUPSetup.log: SUP installation log
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WCM.log: shows the status of SCCM SUP and WSUS connectivity
