The following error occured attempting to join the domain

Hi,

Our domain controller running on Windows Server 2008. Before this we are using single IP Address to access active directory server.

Now our organization already change the network structure and using multiple VLAN.Our client using windows 7 Pro, cannot join to domain. error "The following error occurred attempting to join the domain "XXX.Local" The specified network name is no longer available.

Below is my test:-

1. Test ping server AD = Successful

2. Test nslookup = Successful

     
C:\>nslookup
Default Server:  biru.itnmb.local
Address:  192.168.42.4

> itnmb.local
Server:  biru.itnmb.local
Address:  192.168.42.4

Name:    itnmb.local
Address:  192.168.42.4

> 192.168.42.4
Server:  biru.itnmb.local
Address:  192.168.42.4

Name:    biru.itnmb.local
Address:  192.168.42.4

3. Test running dcdiag = successful and passed test

4. Telnet from client (all port required joining to domain) = Successful

what can i do?

Thanks,

Ezzy

Ezzy