Cannot Remote Desktop into workstation.


I am not able to remote desktop to my main workstation.  This happened suddenly and I have not made any changes.  I use to be able to:

Access it from my mac
Access it from any machine on my domain (4 total)

I can:
Ping everything on my network out.

I cannot:
Ping my workstation from any other machine, it times out.

I have released and renewed my ip address on the machine.
I tried to connect through ip but doesn't make a difference, it can't be pinged from other machines.
I confirmed remote desktop is still enabled
I confirmed firewall is still turned off.
I ran: netsh int ip reset reset.log, which I found as a solution, but no change.

Please help, this is driving me batty.

Thank you,
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i assume your workstation..
  can access everything ok - ie internet etc
  has the same gateway address

has the terminal services / remote desktop services started?
are there any event log errors
Have you installed any new antivirus - a lot of these now also have firewall.
KarenLeighAuthor Commented:
-The machine can access the internet, and everything on my domain fine.
-It has the same gateway as all the other machines, I never changed any network settings.  When I do an ipconfig /all everything is correct.
-The terminal services service is started.
-There is nothing in the event logs
-No new antivirus software or any software has been installed.

This was very random, I had accessed it a week prior, as I have done always, and never had this issue.  The fact that the other machines on the network cannot ping it, but I can ping them, really has me stomped.

I did notice the last time updates were installed was on 11/2 which is around the time this happened, which could be a reason?  I am trying anything at this point, I need access back to this machine.

Thank you.

KarenLeighAuthor Commented:
Here are the last updates installed

Windows XP Security Update for Windows XP (KB951698)  Sunday, November 02, 2008 Automatic Updates  
Windows XP Security Update for Windows XP (KB950762)  Sunday, November 02, 2008 Automatic Updates  
Office 2003 Update for Microsoft Office Outlook 2003 (KB953432)  Sunday, November 02, 2008 Automatic Updates  
Windows XP Security Update for Windows XP (KB951376)  Sunday, November 02, 2008 Automatic Updates  
Windows XP Update for Windows XP (KB951978)  Sunday, November 02, 2008 Automatic Updates  
Windows XP Cumulative Security Update for ActiveX Killbits for Windows XP (KB950760)
Windows XP Security Update for Windows XP (KB958644)  Friday, October 24, 2008 Automatic Updates  
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Lee W, MVPTechnology and Business Process AdvisorCommented:
Disable your antivirus temporarily.  Does it resolve the issue?  The only update that strikes me as even possible to have caused this is 950762 - it deals with multicasts which is network related.  Though it seems unlikely, because I don't think multicasts are involved in RDP.

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KarenLeighAuthor Commented:
I disabled the antivirus and it doesn't make a difference.  I still cannot ping this machine from the others, nor reach it through RDP.  

Should I uninstall that update?
Lee W, MVPTechnology and Business Process AdvisorCommented:
You can try to... though it really sounds like SOMETHING is acting as a firewall.  Can you run NET START from a command prompt and copy and paste the results.
KarenLeighAuthor Commented:
BINGO!!!  I uninstalled update KB950762 and I can ping my machine from all servers and can now RDP into it without any issues.

Thank you SO much for this, it was driving me crazy, and holding me up from a lot of things I need to do :):)
can you remote to other machines from the other - it isnt a firewall issue on ALL the other workstations?
I have had an issue with the latest symantec blocking network access to a machine - disabling and/or changing the settings doesnt resolve it - once blocked I need to reboot to unblock - have you rebooted since turning off services?
If you boot in safe mode with networking - can other machines ping it?
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