Can Server 2008 join NT4 Domain?

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  I suspect that this is to do with NTLM versions.  The original versions of the LanManager authentication protocol have known insecurities.  In Windows Server 2008, the old version of NTLM is disabled by default and I'm guessing you would have to specifically enable its use to allow you to authenticate with a NT4 domain.
  
  Try the following article that I wrote a while ago for a product I work on.  While the product is different, the articles it points to should be of interest.
  
  http://kb.teamprise.com/article/view/16
  
  Also, you might want to check out this thread http://forums.microsoft.com/TechNet/ShowPost.aspx?PostID=2278984&SiteID=17
  
  Good luck,
  
  Martin.
  

  Tuesday, May 20, 2008 10:05 AM
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  Hi,
  
  I have tried to change the Network security:LAN Manager authentication level to "Send LM & NTLM responses" in the Server 2008, however when join the NT Domain it still have the error comes out.
  So do I need to do anything in the NT Domain controler?
  Thank you for your help~~~
  
  Benton
  

  Wednesday, May 21, 2008 1:34 AM
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  Thank you for your reply.  This post will be redirected to the Windows 2008 Directory Services forum (http://forums.microsoft.com/TechNet/ShowForum.aspx?ForumID=571&SiteID=17), which is the most appropriate location for this question to be answered.

   

  Also, we suggest referencing the KB article: 940268 (http://support.microsoft.com/kb/940268) which explains how to join a Windows 2008 server to a Windows NT 4.0 domain, and we encourage you  to follow up on the Windows 2008 Directory Services forum (http://forums.microsoft.com/TechNet/ShowForum.aspx?ForumID=571&SiteID=17), which is a more appropriate location for the question.

   

  This thread has been duplicated on the Windows 2008 Directory Services forum:

  
  URL: http://forums.microsoft.com/TechNet/ShowPost.aspx?PostID=3388323&SiteID=17&mode=1

   

  • Marked as answer by David DoBell Friday, June 27, 2008 4:04 AM

  Thursday, May 22, 2008 9:32 PM