
Error 0x80131401 When Configuring WSUS Running on the Software Update Point
After the active software update point is installed, WSUS Control Manager connects to WSUS running on the software update point to configure the WSUS settings. There is a known issue where the WsusPool in Internet Information Services (IIS) stops responding and must be restarted. When the WsusPool is in this state, WSUS Control Manager will write an error message similar to Server was unable to process request and the error code 0x80131401 is written to WSUSCtrl.log on the software update point. The following are sample entries when this condition exists:
Found WSUS Admin dll of assembly version Microsoft.UpdateServices.Administration, Version=3.0.6000.273, Major Version = 0x30000, Minor Version = 0x17700111
Found WSUS Admin dll of assembly version Microsoft.UpdateServices.Administration, Version=2.0.0.0, Major Version = 0x20000, Minor Version = 0x0
The installed WSUS build has the valid and supported WSUS Administration DLL assembly version (3.1.6000.1)
System.Web.Services.Protocols.SoapException: System.Web.Services.Protocols.SoapException: Server was unable to process request. ---> System.IO.FileLoadException: Loading this assembly would produce a different grant set from other instances. (Exception from HRESULT: 0x80131401)~ STATMSG: ID=7000 SEV=E LEV=M SOURCE="SMS Server" COMP="SMS_WSUS_CONTROL_MANAGER" SYS=NOVAPHYB4N05 SITE=U44 PID=4456 TID=4344 GMTDATE=Fri Aug 10 00:34:58.312 2007 ISTR0="NOVAPHYB4N05" ISTR1="" ISTR2="" ISTR3="" ISTR4="" ISTR5="" ISTR6="" ISTR7="" ISTR8="" ISTR9="" NUMATTRS=0
Failed to set WSUS Local Configuration. Will retry configuration in 1 minutes
System.Web.Services.Protocols.SoapException: System.Web.Services.Protocols.SoapException: Server was unable to process request. ---> System.IO.FileLoadException: Loading this assembly would produce a different grant set from other instances. (Exception from HRESULT: 0x80131401)~
STATMSG: ID=7003 SEV=E LEV=M SOURCE="SMS Server" COMP="SMS_WSUS_CONTROL_MANAGER" SYS=NOVAPHYB4N05 SITE=U44 PID=4456 TID=4344 GMTDATE=Fri Aug 10 00:34:58.421 2007 ISTR0="NOVAPHYB4N05" ISTR1="" ISTR2="" ISTR3="" ISTR4="" ISTR5="" ISTR6="" ISTR7="" ISTR8="" ISTR9="" NUMATTRS=0
Failures reported during periodic health check by the WSUS Server NOVAPHYB4N05. Will retry check in 1 minutes
Waiting for changes for 1 minutes
Possible Solution
Restart the WsusPool application pool in IIS. In the Internet Information Services (IIS) Manager, navigate to the Application Pools node, right-click WsusPool, click Stop, right-click WsusPool, and then click Start.