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Problem in DC and Exchange after migration

Posted on 2013-06-24
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Last Modified: 2013-07-04
Hello Experts,

I have a Windows 2003 SP2 Enterprise server with Exchange 2003 SP2 serving about 10 users only.

I was trying to migrate to Windows Server 2012 Essentials. After I setup the new server and did the migration, I found that Essentials 2012 doesn't support Exchange as 2011 does. Then I demoted the new 2012 and removed it from the domain and re-formated it to install the Windows 2008 R2 on it.

Their are two problems now:

1. Emails are no longer working.
2. I receive an error when a new computer tries to join the domain saying to check DNS settings. DNS settings are correct and the old DC is acting well as a DNS server for forwarding DNS requests to the outside.

I have a backup of the old DC 2003 but I will lose some data if I restore it.

What shall I do now?
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Question by:Muhajreen
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15 Comments
 
LVL 63

Assisted Solution

by:Simon Butler (Sembee)
Simon Butler (Sembee) earned 250 total points
ID: 39270760
Have you restarted the Exchange server since removing the domain controller? If not then I would do that to begin with.
You also need to say exactly what about email doesn't work. Event log entries, queues etc?

The error you are getting about DNS probably means it cannot find the domain controller. You need to go through the DC carefully. Check the FSMO roles are on the existing DC and tht it is a global catalog.

Simon.
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Author Comment

by:Muhajreen
ID: 39270812
Thank you.

Yes I have restarted the server.

I have transfered the 5 FSMO roles back to the old DC before demoting the new one.

How to check if it's a global catalog?
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LVL 63

Expert Comment

by:Simon Butler (Sembee)
ID: 39270840
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Author Comment

by:Muhajreen
ID: 39270918
I found it wasn't a global catalog.

I have checked the check box of (global catalog) and restarted the server. After that, the problem is still there.

In the Active directory sites, in Servers, I found the demoted server is still there but contains nothing. Shall I delete it?
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LVL 63

Expert Comment

by:Simon Butler (Sembee)
ID: 39270938
You can remove it if there is nothing under it.
What did you restart? The domain controller or the Exchange server?

Simon.
0
 

Author Comment

by:Muhajreen
ID: 39271024
I have restarted the machine. The same is DC and Exchange.
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Author Comment

by:Muhajreen
ID: 39271075
Note: This information is intended for a network administrator.  If you are not your network's administrator, notify the administrator that you received this information, which has been recorded in the file C:\Windows\debug\dcdiag.txt.

The following error occurred when DNS was queried for the service location (SRV) resource record used to locate an Active Directory Domain Controller (AD DC) for domain "ourdomain.com":

The error was: "This operation returned because the timeout period expired."
(error code 0x000005B4 ERROR_TIMEOUT)

The query was for the SRV record for _ldap._tcp.dc._msdcs.ourdomain.com

The DNS servers used by this computer for name resolution are not responding. This computer is configured to use DNS servers with the following IP addresses:

192.168.100.10

Verify that this computer is connected to the network, that these are the correct DNS server IP addresses, and that at least one of the DNS servers is running.
0
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LVL 63

Expert Comment

by:Simon Butler (Sembee)
ID: 39271436
That error means what it says.
Is the DNS server service running on the server?
Is the IP address shown correct? Check the server's IP address is correct.

Simon.
0
 
LVL 24

Assisted Solution

by:Sandeshdubey
Sandeshdubey earned 250 total points
ID: 39271553
I would recommend to check the health of DC first run dcdiag /q and repadmin /replsum.Check event log too for any errors and warning and post the same.

Ensure correct dns setting on DC and client as this:http://abhijitw.wordpress.com/2012/03/03/best-practices-for-dns-client-settings-on-domain-controller/
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Author Comment

by:Muhajreen
ID: 39271800
dcdiag /q has no output s follows:

C:\Documents and Settings\me>dcdiag /q

C:\Documents and Settings\me>repadmin /replsum
Replication Summary Start Time: 2013-06-24 18:04:36

Beginning data collection for replication summary, this may take awhile:
  ....


Source DC           largest delta  fails/total  %%  error


Destination DC    largest delta    fails/total  %%  error
Assertion

Server's IP address is correct and DNS is working.

What about IPv6 ? Shall it be available in the old dc after the new one may has used that?
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LVL 24

Expert Comment

by:Sandeshdubey
ID: 39272055
The health of DC look good from the output.As old DC is Win2003 IPV6 is not required.Can you post the ipconfig /all details of DC and problematic client computer.

Have a look at this KB too:http://support.microsoft.com/kb/331072
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Author Comment

by:Muhajreen
ID: 39273565
DC:

Windows IP Configuration

   Host Name . . . . . . . . . . . . : dc
   Primary Dns Suffix  . . . . . . . : ourdomain.com
   Node Type . . . . . . . . . . . . : Unknown
   IP Routing Enabled. . . . . . . . : No
   WINS Proxy Enabled. . . . . . . . : No
   DNS Suffix Search List. . . . . . : ourdomain.com

Ethernet adapter Internal:

   Connection-specific DNS Suffix  . :
   Description . . . . . . . . . . . : Embedded Broadcom NetXtreme 5721 PCI-E Gi
gabit NIC
   Physical Address. . . . . . . . . : 00-1B-78-D2-3C-47
   DHCP Enabled. . . . . . . . . . . : No
   IP Address. . . . . . . . . . . . : 192.168.100.10
   Subnet Mask . . . . . . . . . . . : 255.255.255.0
   Default Gateway . . . . . . . . . : 192.168.100.12
   DNS Servers . . . . . . . . . . . : 127.0.0.1

Client:

C:\Users\Administrator>ipconfig /all

Windows IP Configuration

   Host Name . . . . . . . . . . . . : WIN-0UA4T5JDBB0
   Primary Dns Suffix  . . . . . . . :
   Node Type . . . . . . . . . . . . : Hybrid
   IP Routing Enabled. . . . . . . . : No
   WINS Proxy Enabled. . . . . . . . : No

Ethernet adapter Local Area Connection:

   Connection-specific DNS Suffix  . :
   Description . . . . . . . . . . . : Microsoft Virtual Machine Bus Network Ada
pter
   Physical Address. . . . . . . . . : 00-15-5D-64-0E-01
   DHCP Enabled. . . . . . . . . . . : No
   Autoconfiguration Enabled . . . . : Yes
   Link-local IPv6 Address . . . . . : fe80::541:90d9:4595:63cd%12(Preferred)
   IPv4 Address. . . . . . . . . . . : 192.168.100.16(Preferred)
   Subnet Mask . . . . . . . . . . . : 255.255.255.0
   Default Gateway . . . . . . . . . : 192.168.100.12
   DHCPv6 IAID . . . . . . . . . . . : 251663709
   DHCPv6 Client DUID. . . . . . . . : 00-01-00-01-19-59-FA-62-00-15-5D-64-0E-01

   DNS Servers . . . . . . . . . . . : 192.168.100.10
   NetBIOS over Tcpip. . . . . . . . : Enabled

Tunnel adapter isatap.{3FCDF93B-FC17-4A1D-A202-E3B2DFA2F7C7}:

   Media State . . . . . . . . . . . : Media disconnected
   Connection-specific DNS Suffix  . :
   Description . . . . . . . . . . . : Microsoft ISATAP Adapter
   Physical Address. . . . . . . . . : 00-00-00-00-00-00-00-E0
   DHCP Enabled. . . . . . . . . . . : No
   Autoconfiguration Enabled . . . . : Yes

Tunnel adapter Local Area Connection* 9:

   Media State . . . . . . . . . . . : Media disconnected
   Connection-specific DNS Suffix  . :
   Description . . . . . . . . . . . : Microsoft Teredo Tunneling Adapter
   Physical Address. . . . . . . . . : 00-00-00-00-00-00-00-E0
   DHCP Enabled. . . . . . . . . . . : No
   Autoconfiguration Enabled . . . . : Yes
0
 
LVL 3

Expert Comment

by:zackmccracken
ID: 39276590
is the dns server listening on the 100.10 ip?
check the settings within the dns server, properties of your server and interfaces tab

are you using a physical server or vm's ?
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Accepted Solution

by:
Muhajreen earned 0 total points
ID: 39286991
Thanks for your helpful replies.

finally I found the following:

1. Email problem was solved implicitly after migrating from Exchange 2003 to 2010 SP2.
2. I found that the DNS issue was related to networking problem in the Hyper-V. I noticed that when I try to join the computer to the domain while pinging some server, the ping replies stop for a while and then comes back after domain joining fails. Finally, I removed Hyper-V role and merged Exchange and DC on the same physical machine.

I know that it's not recommended to do so, but I was on hurry and had to have the issue solved very shortly.
0
 

Author Closing Comment

by:Muhajreen
ID: 39299421
Finally everything is working fine without Hyper-V
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