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Old 04-28-2008   #6 (permalink)
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sidewinder
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Re: Windows Updates continuously failing. (0x80073712)

sidney1st,

Hold on......

Why would changing DNS entries to these servers make any difference at all?

A name servers job in, most cases, is to translate hostnames to IP addresses. Regardless of the DNS used, there is only one set of data accurate for any hostname lookup and the only place that information is permanently stored is on the DNS authoritative for that domain. If the selected DNS is not authoritative for a domain, it either queries the authoritative name server or redirects your host's resolver to the authoritative name server. I am skipping DNS caching because it doesn't change what I am saying here.

In this case, all five of Microsoft's DNS are NS[1-5].MSFT.NET. None of which have an IP address of 4.2.2.2 or 4.2.2.3. I don't know what hostnames are used in the Windows Update process, but I doubt seriously that any of the authoritative domain name servers for those hostnames have an IP address of 4.2.2.2 or 4.2.2.3 since those are Verizon servers.

Anyway, please explain why changing the DNS to 4.2.2.2 and 4.2.2.3 will make a difference.

S-