When you try to install Windows Server Update Services (WSUS) 3.2 on a server with the Microsoft .Net Framework 4.6 or later versions already installed in it, then you may receive the following error message:
Additionally, the following message is logged on the WSUSSetup.log file:
Notes:
- This issue also occurs on System Center Configuration Manager (SCCM) because the Software Update Point Site role depends on WSUS. WSUS is necessary for software update synchronization and compliance assessment scans on SCCM clients.
- This issue only occurs if .the NET Framework 4.6 was installed before you install WSUS 3.2.