Hi Customer (name blocked for privacy).
Thank you for asking your question on Just Answer.
This seems to be a common issue with Vista due to the increased security settings in vista, through the documentation i have found the resolution to this,
On Vista PC run, click on Start - go under Programs to command prompt but right click on this and choose to run as administrator - Now type in secpol.msc then Under Local Policies > Security Options, Change the following two settings
- Domain Member: Digitally Encrypt sign secure channel data (always) - change to disabled
- Network Security: LAN Manager authentication level - change to "Send LM and NTLM - use NTLMv2 session security if negoitated"
This should allow you to successfully login to your NT server now,
Here is the link to this documentation, http://www.ozzu.com/mswindows-forum/getting-vista-join-nt4-domain-t76122.html
Hope this helps,
Thanks,
Rita
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