My WSUS server, which became a WSUS client yesterday, reported the following error this morning:
Event 364 Source: Windows Server Update Category: Synchronization
KB 922330 says the problem is because the affected computer is behind a firewall or proxy. They specifically mention Sonicwall security appliances as a culprit and suggest selecting the Enable HTTP Byte-Range request with Gateway AV check box on the Sonicwall configuration. This particular WSUS client does sit behind a Sonicwall 3060 security appliance. I went into the Sonicwall administation page, but could not find where to enable this feature. Luckily I came across this post, where J.B. pointed out where to find the setting:
“Instructions for Sonic Enhanced OS:
Click Security Services, Gateway Anti-Virus, Configure Gateway AV Settings.
Check the box for “Enable HTTP Byte-Range requests with Gateway AV”.
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Yeah that will fix it for you
I blogged about this too after having the same problem
http://parkesy.wordpress.com/2006/12/04/guess-whose-back/
Those errors will vanish!