Server 2016 running WSUS-Server if you click on a Report you the error with the Report Viewer as before.
If you did not install the WSUS in an SQL and used the WID (Windows Internal Database) or have a different Version
Of or many SQL Versionen mixed on that machine.
ERROR:
ENG: The Microsoft Report Viewer 2012 Redistributable is required for this feature
DEU: Für dieses Feature ist Microsoft Report Viewer 2012 Redistributable erforderlich

- Install Microsoft System CLR Types (If needed)
Microsoft System CLR Types for Microsoft® SQL Server® 2012
32BIT
http://go.microsoft.com/fwlink/?LinkID=239643&clcid=0x409
64BIT
http://go.microsoft.com/fwlink/?LinkID=239644&clcid=0x409
- Download and install MICROSOFT® REPORT VIEWER 2012 RUNTIME
https://www.microsoft.com/en-us/download/details.aspx?id=35747
These are the two files you need to install:

Close and reopen the WSUS console and it works now



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