Network Path not found

I have a vpn session established.  I can get to shares from certain workstations on the segment but not others. I have modeled the configuration on one particular workstation and I continue to get network path could not be found.  I can ping the workstation using the IP address and netbios name.  I can ping the WINS server as well.  

I have tried connecting to the shared folder through network neighborhood [netbios name appears] and by entering the unc name after submitting start\run. No cigar.
jmorin1Asked:
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jmorin1Author Commented:
I am also running A PIX 515 VPN session. I am not using RRAS or any Microsoft solution.
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EmpKentCommented:
Lower the MTU in your router to 1440. The added overhead of IPSec is causing fragmentation so that smaller packets get through but when you try to complete more data intensive stuff like filesharing, you fail.

Kent
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jmorin1Author Commented:
I have a router that sits behind the Pix. I do not know how to lower the MTU. Should I pursue the matter with Cisco.  
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EmpKentCommented:
But do you have a router where you are connecting from that you manage?

Like a SOHO firewall at your home? This is what will instruct your PC to use as a maximum transmission unit and this is where you need to lower it.

Kent
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jmorin1Author Commented:
It turned out to be something unrelated to the hardware. This workstation had XP SP2 firewall enabled.  Thanks for trying.
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EmpKentCommented:
Well, glad you got it working.

Kent
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