I am attempting to install and configure a new WSUS installation. I am experiencing problems with my clients not connecting/communicating with the WSUS server. I have run the WSUS Client Diagnostics utility from Microsoft and the results are shown below.
C:\wsus_client_diag>clientdiag
WSUS Client Diagnostics Tool
Checking Machine State
Checking for admin rights to run tool . . . . . . . . . PASS
Automatic Updates Service is running. . . . . . . . . . PASS
Background Intelligent Transfer Service is running. . . PASS
Wuaueng.dll version 7.2.6001.788. . . . . . . . . . . . PASS
This version is WSUS 2.0
Checking AU Settings
AU Option is 4: Scheduled Install . . . . . . . . . . . PASS
Option is from Policy settings
Checking Proxy Configuration
Checking for winhttp local machine Proxy settings . . . PASS
Winhttp local machine access type
<Direct Connection>
Winhttp local machine Proxy. . . . . . . . . . NONE
Winhttp local machine ProxyBypass. . . . . . . NONE
Checking User IE Proxy settings . . . . . . . . . . . . PASS
User IE Proxy. . . . . . . . . . . . . . . . . NONE
User IE ProxyByPass. . . . . . . . . . . . . . NONE
User IE AutoConfig URL Proxy . . . . . . . . . NONE
User IE AutoDetect
AutoDetect not in use
Checking Connection to WSUS/SUS Server
WUServer = WUStatusServer = UseWuServer is enabled. . . . . . . . . . . . . . . . . PASS
Client is pointed to SUS 1.0 Server
Connection to server. . . . . . . . . . . . . . . . . . PASS
WinHttpDownloadFileToMemory(szURLDest, NULL, 0, NULL, NULL, NULL, &downloadBuffe
r) failed with hr=0x80072efe
The connection with the server was terminated abnormally
C:\wsus_client_diag>clientdiag
WSUS Client Diagnostics Tool
Checking Machine State
Checking for admin rights to run tool . . . . . . . . . PASS
Automatic Updates Service is running. . . . . . . . . . PASS
Background Intelligent Transfer Service is running. . . PASS
Wuaueng.dll version 7.2.6001.788. . . . . . . . . . . . PASS
This version is WSUS 2.0
Checking AU Settings
AU Option is 4: Scheduled Install . . . . . . . . . . . PASS
Option is from Policy settings
Checking Proxy Configuration
Checking for winhttp local machine Proxy settings . . . PASS
Winhttp local machine access type
<Direct Connection>
Winhttp local machine Proxy. . . . . . . . . . NONE
Winhttp local machine ProxyBypass. . . . . . . NONE
Checking User IE Proxy settings . . . . . . . . . . . . PASS
User IE Proxy. . . . . . . . . . . . . . . . . NONE
User IE ProxyByPass. . . . . . . . . . . . . . NONE
User IE AutoConfig URL Proxy . . . . . . . . . NONE
User IE AutoDetect
AutoDetect not in use
Checking Connection to WSUS/SUS Server
WUServer = WUStatusServer = UseWuServer is enabled. . . . . . . . . . . . . . . . . PASS
Client is pointed to SUS 1.0 Server
Connection to server. . . . . . . . . . . . . . . . . . PASS
WinHttpDownloadFileToMemory(szURLDest, NULL, 0, NULL, NULL, NULL, &downloadBuffe
r) failed with hr=0x80072efe
The connection with the server was terminated abnormally