Windows 7 can't map NT Share through VPN connection

torpac
torpac used Ask the Experts™
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I am able to succesfully connect via VPN (Sonicwall TZ100) and map all my XP & NT network shares with windows xp so I know that much is working.

Now when I try the same procedure using windows 7 home & pro I am able to establish the VPN connection,  map the shares on the  windows XP pro machines, that portion is fine. When I try to map to our older NT 4.0 SP6 machine, from the cmd window  I am prompted for the username and password combination. I enter the correct combination and windows spits back "System error 86 has occurred. The specified network password is not correct". I am able to ping the NT server and it responds with no problem. It must be some setting withing W7 thats not compatible with NT but I cant figure it out.

If I am connected directly to the local lan where the NT server resides I can map without any problems.

Any suggestions?

J Anderson

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What format are you using for the username
By default, Windows 7 cannot connect to an old NT4 server due to the encryption level that WIndows 7 needs.

You can change this using secpol.msc  and set Microsoft network client: Send unencrypted password to connect to third-party SMB servers set to enabled

Wayne
Top Expert 2010
Commented:
Make sure "Enable Windows Networking (NetBIOS) Broadcast" is checked in WAN GroupVPN > Advanced tab.
You can also try the IP Helper.
iphelper.png
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Top Expert 2010

Commented:
Yes, IP Helper is "helpful" as well....

Author

Commented:
Not the complete answers but gave me some solid directions.

Author

Commented:
See attached file for solution- It was in Secpol and was related to LM authentication level
PS0049.jpg
Top Expert 2010

Commented:
thanks for the points!

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