Cannot validate Windows 2008 R2 Forest Trust

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we have existing two-way forest transitive trust , working.  added 2 new domain controllers , when try validate trust error message:

the local security authority unable obtain rpc connection active directory domain controller abc.com.  please check name can resolved , server available.

i can ping dc referenced in error message.

i have checked event logs , not seeing errors.

i have run dcdiag on new servers , looks ok.

any ideas??

thank you

hello,

please assure not ping working, use nslookup , additional assure ports according to http://support.microsoft.com/kb/179442/en-us open. see http://technet.microsoft.com/en-us/library/dd772723(ws.10).aspx

best regards

meinolf weber
mvp, mcp, mcts
microsoft mvp - directory services
my blog: http://msmvps.com/blogs/mweber/

disclaimer: posting provided no warranties or guarantees , confers no rights.



Windows Server  >  Directory Services



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