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Windows 7: HELP! Win 7 map drive on advance server 2000

03 Jul 2010   #1
donniesnyder

Win 7 Ultimate
 
 
HELP! Win 7 map drive on advance server 2000

I am pulling my hair out on this one I set this server up 7 years ago with Advanced Server 2000. One of the only versions of windows that had a native drive mirror option since NT4. Anyways, There is no domain controller just a simple workgroup. I created local accounts on the file server that matched the accounts on the workstations (username/password) and added the users in the permissions on the shared folde and then mapped the drives on the corresponding workstations. Pretty straight forward and basic. Has been working fine for 7 years. Now I upgrade a workstation to a new PC running win 7 ultimate, ran the easy migration and everything seemed fine. EXCEPT it wont connect to the mapped drive. I have tried everything. Tried changing the credentials to the server account, local account,server administrator. I even tried dos "net use". Is there something with win7 I am missing with how the credentials work with older versions on windows?


My System SpecsSystem Spec
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03 Jul 2010   #2
chev65

Windows 7 Ult, Windows 8.1 Pro,
 
 

You can fix this a couple ways using the registry or the local security policy. This is because of NTLMv2 policy's being different on Windows 7. This Technet thread should enable you to fix the problem fairly easily.
Good luck and let me know if it works.

on your win 7 machine, run regedit and go to
HKLM\SYSTEM\CurrentControlSet\Control\Lsa
set the value to 1

If the key doesn't exist you need to create it. Needs to be a DWORD named LmCompatibilityLevel set to value of 1(one) at
HKLM\SYSTEM\CurrentControlSet\Control\Lsa

And here's the background on that.

http://technet.microsoft.com/en-us/library/cc960646.aspx

http://technet.microsoft.com/en-us/magazine/2006.08.securitywatch.aspx

Source: Windows 7 Unable to Map Windows 2000 drive
My System SpecsSystem Spec
03 Jul 2010   #3
donniesnyder

Win 7 Ultimate
 
 

you are the man chev65. Worked like a charm. I wonder why win 7 wasnt a tad more backwards compatible friendly with respect to that scenerio? FYI: LmCompatibilityLevel did not exist and I did have to create it. Thanks for the quick responce it was greatly appreciated.
My System SpecsSystem Spec
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03 Jul 2010   #4
chev65

Windows 7 Ult, Windows 8.1 Pro,
 
 

Quote   Quote: Originally Posted by donniesnyder View Post
you are the man chev65. Worked like a charm. I wonder why win 7 wasnt a tad more backwards compatible friendly with respect to that scenerio? FYI: LmCompatibilityLevel did not exist and I did have to create it. Thanks for the quick responce it was greatly appreciated.
I think it's mostly because the current standard NTLMv2 policy wasn't around when Windows 2000 was released.

Glad you have the problem fixed donniesnyder.
My System SpecsSystem Spec
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 HELP! Win 7 map drive on advance server 2000




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