It is possible you may have the same problem as mentioned in this article.
811497 - Error Message When Windows 95 or Windows NT 4.0 Client
Logs On to Windows Server 2003 Domain
http://support.microsoft.com/default...b;en-us;811497
--
Phillip Windell [MCP, MVP, CCNA]
www.wandtv.com
"Nancy" <(E-Mail Removed)> wrote in message
news:(E-Mail Removed) om...
> Hello!
>
> I am soon going to be upgrading (one of) my PDC's from NT to 2003. We
> have a netscape ldap server running, and I have 2 questions/issues:
>
> 1. If I don't do any special configuration, will the ldap servers
> cause any conflicts with each other? I am guessing they will not, but
> I have never administered an ldap server before -
>
> 2. Our ldap currently authenticates for email and our help desk
> software, but I eventually need to integrate authnetication between
> nis, ldap, and windows. Does anyone have experience connecting MS
> ldap to an external ldap? What about using Vintela Authentication
> Services (the third party tool MS recommends for "complex"
> environments).
>
> Thanks!
> Nancy