Scanning ISA Server 2004 on Small Business 2003

Scanning ISA Server 2004 on Small Business 2003

Hello. I have searched everywhere on the internet and these forums for an answer to my problem but I could not find one. I'm going to post it here so maybe someone will have some insight.

I'm running EventLog Analyzer 4 on a Windows XP SP2 machine. I'm scanning six Windows Server 2003 R2 machines without any problems at all. When I try to scan my Windows Small Business Server 2003 machine, I get the dreaded "The RPC server is unavailable" message. Now, this server is NOT running the "Windows Firewall", it's running ISA Server 2004 which is different. I can, however, get a successful scan if I add a rule at the top of the ISA Server policies that says "Allow All Traffic from All Networks (including External which is the internet network object) to All Networks with the RPC filter unchecked under the protocol properties. If I modify this rule and just use "All Protected Networks" instead of "All Networks" it does not work! The only difference is that "All Protected Networks" does not include the "External Networks" which is internet traffic. I cannot understand this! Why would I need to include the "External Networks" in this rule for scanning to work? There are two Nics in my Small Business Server. One Internal nic and one External. The Internal Nic is connected to our LAN which is where the EventLog Analyzer machine is located.

Any ideas would be greatly appreciated. :)



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