On Windows 2003 Server 2003+ Access, can't connect to MyODBC

Hello all:

I've installed a server with Windows Server 2003 R2. I've installed 
MyODBC and Access 2000 too. I created DSN's   to MyODBC and 'test' is 
correct. However, if I try link in a Access database this DSN's, Access 
chash.

Before that, I installed an VMware machine with the same configuration, 
except the Windows Server 2003, that was not 'R2'. All worked fine with 
this configuration.

Have anybody experimented similar behavoiur?

Best regards.


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José Miguel Serrano