We have worked with Windows Server Update Services since its inception in early 2000’s and while it is a very handy tool to manage patching, it does have several recurring problems. One of those common WSUS problems is the dreaded: RESET SERVER NODE.
In addition to running the WSUS SERVER CLEAN UP WIZZARD and scripts that clean up the WSUS SQL database, the more common fix is to adjust the Application Pool settings in IIS:
How To Fix WSUS: ERROR CONNECTION ERROR: RESET SERVER NODE
Click START and type IIS
Expand your server
Expand APPLICATION POOLS
Click on WSUSPOOL and select ADVANCED SETTINGS from the action pane on the right
Scroll down and set PRIVATE MEMORY LIMIT to a higher limit (I doubled mine)
Set REGULAR TIME INTERVAL to a lower limit (I set mine to about half so it automatically cycles more often)
Click OK on the ADVANCED SETTING dialog
Right click on WSUSPOOL and select START
Click RESET SERVER NODE or restart the server and have a nice day
