dns error on resolving update.microsoft.com and support.microsoft.

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Guest

it began when workstations were unable to make automatic update , i check and
i found that IE or firefox makes dns error on access to update.microsoft.com
and support.microsft.com, i made an nslookup test on update and support , all
is ok both are resolved with their cname and ip , i put the
support.microsft.com IP on navigator the site is retrieved quiqly without
errors.
i have the same situation on the win2000 DC server configured with dns ISP
as dns forwarders for the workstations, the nslookup test on the server for
update and support is good .
so only applications are unable to resolve these microsft sites when they
query the dns server.
no dns errors or network acces problems was found on other internet sites.
no cache proxy is present.
it's a strange and a bad problem .
please help.
 
In
brooks said:
it began when workstations were unable to make automatic update , i
check and i found that IE or firefox makes dns error on access to
update.microsoft.com and support.microsft.com, i made an nslookup
test on update and support , all is ok both are resolved with their
cname and ip , i put the support.microsft.com IP on navigator the
site is retrieved quiqly without errors.
i have the same situation on the win2000 DC server configured with
dns ISP as dns forwarders for the workstations, the nslookup test on
the server for update and support is good .
so only applications are unable to resolve these microsft sites when
they query the dns server.
no dns errors or network acces problems was found on other internet
sites. no cache proxy is present.
it's a strange and a bad problem .
please help.
Click to expand...

Have you checked the workstation's hosts files?

--
Regards,
Ace

This posting is provided "AS-IS" with no warranties or guarantees and
confers no rights.

Ace Fekay, MCSE 2003 & 2000, MCSA 2003 & 2000, MCSE+I, MCT, MVP
Microsoft MVP - Directory Services
Microsoft Certified Trainer

Infinite Diversities in Infinite Combinations

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