After applying update KB4025336 to our WSUS servers clients are no longer able to communicate with WSUS.

Cause
========
the virtual directories were throwing internal server error 500's for the WSUS


Analysis
=========

2017-07-26    13:41:01:572 1048   20d8   PT        WARNING: GetCookie_WithRecovery failed : 0x80244008

2017-07-26    13:41:01:572 1048   20d8   PT        WARNING: RefreshCookie failed: 0x80244008

2017-07-26    13:41:01:572 1048   20d8   PT        WARNING: RefreshPTState failed: 0x80244008

2017-07-26    13:41:01:572 1048   20d8   PT        WARNING: PTError: 0x80244008

2017-07-26    13:41:01:572 1048   20d8   Report           WARNING: Reporter failed to upload events with hr = 80244008.

Action Plan
=============
1. Open the elevated command prompt, and cd to the directory: C:\Program Files\Update Services\Tools;
2. Run the command: wsusutil.exe usecustomwebsite true,  to change the 80 port usage to 8530;
3. Run the command: wsusutil.exe usecustomwebsite false,  to change the 8530 port usage to 80 again.