Windows update IP addresses range and subnet mask for Windows Server 2008.
Windows update IP address ranges and subnet mask for Windows Server 2008. This question almost same posted by Peter Lorenzen at Thursday, August 05, 2010 8:37 AM. Quote: We have a couple of Windows 2008 servers. They live behind a firewall and all outgoing communication is must be off. I wanted to just use online Windows update. To do this I need to open access to some servers at Microsoft like the below. In our firewall you cannot input DNS names but only IPs. The IPs to these servers changes. If I do a nslookup one day I get one IP and when I try it the day after another. So I cannot get this to work. · windowsupdate.microsoft.com · update.microsoft.com · windowsupdate.com · download.microsoft.com · ntservicepack.microsoft.com New question: How we able to now fix IP address range for above URL and including sub-net mask? If we going to enable WSUS, we also need to know what is the IP range and sub-net mask for windows update.
January 13th, 2011 9:02am

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