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Connectivity Issues:  Can not ping WS from PDC but can visa versa

Posted on 2005-05-11
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Last Modified: 2010-03-18
Can someone help determine the cause and fix:  

I can ping the Primary Domain Controller from a Workstation from within my LAN, but when ping'ing the WS from the PDC, it times out.  

All other WS can be ping'd from the PDC.


Server 2000 SP3
XP professional SP2 RDP turned on.

Thank you.
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Question by:top_rung
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Author Comment

by:top_rung
ID: 13978527
Another note:   Can not PING the suspect WS from any other WSs either!

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Expert Comment

by:jeopboy
ID: 13979115
are they all on the same subnet?
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Author Comment

by:top_rung
ID: 13979152
yes same subnet.  The WS in question has no connectivity issues per se.  It synchornizes its time and databases with the PDC, it uses the Server's exchange with no problem, it can ping out anywhere, etc.

Strange.

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jeopboy earned 100 total points
ID: 13979677
Since you're running XP SP2, you probably have the XP firewall enabled (SP2 enables it by default).  Any connection initiated from another box to that WS will not be permitted.

If you need that functionality, turn off the firewall or configure it to allow connectivity on the ports/protocols you need.

Good luck.

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Author Comment

by:top_rung
ID: 13980062
Yes, i suspected the same, and it does allow pinging after it is turned off. HOWEVER,  but why only one machine?  all other WSs have SP2, not different, and can be pinged internally with no problems with the firewall turned on.

hmm.


Thank you.
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Expert Comment

by:jeopboy
ID: 13980742
Check the firewall settings on the other devices.  I'll bet the measly C grade you gave that the others don't have firewall enabled.
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Author Comment

by:top_rung
ID: 13981721
hahahh C grade??? ah come on.... it wasn't a toughy.. ;)

They are all turned on ... that is what bugs me about Sp2.  I don't see consistency here.  

P.S. - how do i change the "measly" to, "so so " hehehe..??
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Expert Comment

by:jeopboy
ID: 13982065
I agree that it wasn't that hard, but as I understand it, the points given (in this case, 50) should reflect the importance/difficulty of the question.  The grade should reflect the quality of the response.

In this case, I thought I helped you find the issue.  The "C" grade tells me you were only somewhat happy with the answer.

No big deal - I'm mostly here for the fun of seeing what people are up to anyway. ;-)

So the others all have firewall enabled?  Is there some further firewall configuration on the specific workstation or on all the others?

I don't have an XP box here, but I'll look at mine at home to look for anything else that might be causing this.
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LVL 14

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by:top_rung
ID: 13982411
Points info noted ;)  For the record, you did help and you answered the OG question accurately.  Glad you aren't "really" upset!

No other differences on the the OS or security settings.  The suspect WS is a Dell that is about 1 year newer than most the others, but all are running XP pro.  All the machines had SP2 installed by me and were not preinstalled from Dell.

All the firewall settings are standard (i.e. there are no exceptions added, etc.).

All have a managed anti-virus software that i control, so there is no variation there either.  It is strange, and i have seen this before, but not in my network. Hence, why it is getting more scrutiny now ;)


If you find a logical reason or find information, i would appreciate your input.  

Respectfully,

top

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