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No network provider accepted the given network path

Posted on 2006-07-17
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Hi,

I have two sites (A : 172.16.30.0 & B : 172.16.38.0) joined by VPN.  Both sites are in the same AD just different sites.

Site A : ALPHA, BRAVO, ECHO
Site B : CHARLIE, DELTA, FOXTROT

ALPHA, BRAVO, CHARLIE are all three Global Catalog and DC.

Site A can ping Delta and Foxtrot but not Charlie (request timeout)
Site B can ping all three servers from site A

When I ping Charlie from Site A I get a timeout, though nslookup finds it.
There is a static mapping in the WINS.  Charlie appears as NS server on the SiteA DNS but with an asterisc.

Since SiteA can't communicate with Charlie, no replication of the catalog is possible, therefore all the possible errors resulting (can't use DFS, can't synchro exchange, can't replicate AD, etc etc).

Can't figure out why I can ping Delta and Foxtrot but not Charlie ? Doesn't make sense !
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Question by:polarisit
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Expert Comment

by:prashsax
ID: 17120801
Check the default Gateway setting on the CHARLIE.

Also, make sure there must not exist any static route entries on the CHARLIE.

Use this command on DOS prompt.

>route print

This will show you if some route entry exists on that server for subnet 172.16.30.0
Also check if default gateway for all 3 server in Site B is same.


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Expert Comment

by:jli168
ID: 17121833
Was any firewall product installed on Charlie? Do a tracert route from any server from site A to Charlie to see where it stops.
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Author Comment

by:polarisit
ID: 17122399
Nope, no specific routes are needes as the two firewall linked by VPN do their job just fine.

As for the gateways, they're identical.

But... I'd kick myself if I could.  Charlie had two network cards, one of wich was still holding the IP setup for the SiteA... Disabling the adapter did the trick.

So sorry... :$
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