Cannot create 2008 mode DFS namespace

i'm running w2k8 network (forest , domain have been elevated 2008 mode), servers new , date, cannot create 2008 mode dfs namespace. when go create namespace, 2008 mode button grayed out. have 1 namespace running right , it's in 2000 mode, cause new namespaces stay in 2000 mode? 1 2000 mode ns have migrated 2008 before other 2008 mode nss can implemented?

any thoughts on why is?

thanks in advance!

hello,

based on research, dfs namespaces different mode cannot co-exist each other (windows 2000 server mode , windows serve 2008 mode). if use domain-based namespace, may have choose 1 of following namespace modes:

1. windows 2000 server mode

2. windows server 2008 mode

in addition, in order use windows server 2008 mode dfs namesapce, there prerequisites domain use windows server 2008 mode namespace.

prerequisites:

1. domain uses windows server 2008 domain functional level.

2. namespace servers running windows server 2008.

since there namespace running windows 2000 server mode, this reason why may stay windows 2000 server mode, and cannot create namespace windows server 2008 mode under circumstances.

in order implement dfs namespace windows server 2008 mode,  may need use dfsutil tool migrate current domain-based namespace windows 2000 server mode windows server 2008 mode.

for more detailed steps, please refer to:

migrate domain-based namespace windows server 2008 mode
http://technet.microsoft.com/en-us/library/cc753875.aspx

dfs step-by-step guide windows server 2008
http://technet.microsoft.com/en-us/library/cc732863.aspx

hope can helpful.

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