Thursday, January 17, 2013 7:46 AM
Hi I am creating a failover cluster and in the test all things passed just this fails:
Validate active directory configuration
Node(s) xxx.y.z cannot reach a writable
domain controller. Please check connectivity of these nodes to the domain
I don't know what is exactly going on, first I just performed the tests!
What to do?
Thanks in advance
Thursday, January 17, 2013 7:48 AM
AFAIK, for creating the cluster you need domain admin previllage in 2008(By default).
Below ports should be opened in all the DCs for AD/DNS.
RPC endpoint mapper
Network basic input/output system (NetBIOS) name service
NetBIOS datagram service
NetBIOS session service
RPC dynamic assignment
Server message block (SMB) over IP (Microsoft-DS)
Lightweight Directory Access Protocol (LDAP)
LDAP over SSL
Global catalog LDAP
Global catalog LDAP over SSL
Domain Name Service (DNS)
See the below link as weel.
Thursday, January 17, 2013 9:06 AM
Is one or both your nodes Domain Controller?
If yes, It is not recommend. Please read this links:
Thursday, January 17, 2013 10:48 AMThanks but how to make the domain writable?
Thursday, January 17, 2013 5:56 PM
You can use 3x machine. 1x DC & DNS, 2x member servers for Cluster node.
If you have Windows Server 2012, read this link:
- Marked As Answer by Cicely FengMicrosoft Contingent Staff, Moderator Tuesday, January 22, 2013 8:09 AM