networking 2k server

Thanks in advance.
When using Windows Explorer-Network/Workgroup....(to the server), I am prompted for a username and password. I am getting a "login unsuccessful: Windows is not able to log you on. Be sure that your username and password are correct." The username and password are correct and is a member of administrators group.
I am not running a domain and I did not have this problem with XP. I have brought down the Windows Vista firewall and even stopped the service.
What am I missing?
Dave H.

Hello,
Please try the following steps ... this will change the way Windows Vista authenticates with other computers to the same setting that Windows XP uses.
*** These steps change default security settings of Windows Vista. *** The result: your machine will be less secure by changing these settings.
- Click Start - Click Control Panel - Click System and Maintenance - Click Administrative Tools - Double-Click Local Security Policy - In the left pane, click the triangle next to Local Policy - In the left pane, click Security Options - In the right pane near the bottom, double-click "Network security: LAN manager authentication level" - Click the drop-down box, and click "Send LM & NTLM responses" - Click OK
- JB

tryed that but still getting error code is failed to connect to terminal proxy server will work with xp pro and ie7 is a juniper network system software getting no help from juniper
"Jimmy Brush" wrote:

Hello,
Please try the following steps ... this will change the way Windows Vista authenticates with other computers to the same setting that Windows XP uses.
*** These steps change default security settings of Windows Vista. *** The result: your machine will be less secure by changing these settings.
- Click Start - Click Control Panel - Click System and Maintenance - Click Administrative Tools - Double-Click Local Security Policy - In the left pane, click the triangle next to Local Policy - In the left pane, click Security Options - In the right pane near the bottom, double-click "Network security: LAN manager authentication level" - Click the drop-down box, and click "Send LM & NTLM responses" - Click OK
- JB