Can I add windows 2008 sp2 domain controller to a domain with forest functional level Windows 2008 R2?

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can add windows 2008 sp2 domain controller domain forest functional level windows 2008 r2?

we set ffl windows 2008 r2, have discovered app needs windows 2008 sp2 domain controller, took down. 

can add windows 2008 sp2 domain controller domain set @ windows 2008 r2?

i upgrade dc windows 2008 r2 before adding domain, vmware virtual server , previous attempts upgrade out virtual dc's windows 2008 r2 , resulted in crashed servers.

hi galloway,

thanks post.

you can have mixed os dc environments. however, if have higher functional level in domain/forest dc you want promote. then not recommended install since may affect active directory.

as some applications require specific dc versions. therefore have check compatibility, if required.

best regards,

mary dong




Windows Server  >  Directory Services



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