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OCS 2007 R2 on Windows 2008R2 and NTLM problems

It took me a while to figure it out, so I thought I post it, so people in the future might be able to avoid the waste of time. I had a machine which is not joined in our domain that just couldn't log on to the OCS system. The client was a Windows XP machine and the authentication on the front-end OCS server was correctly set to "NTLM + Kerberos".

After a lot of googling and trying different things, I found a post mentioning that the minimum key requirements on NTLM on Windows 2008R2 are 128-bits and this key length is not supported in Windows XP (only on Windows 7).

With this link: I was able to remove the 128-bit requirement and things were all dandy again.


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