dcpromo failing Server 2008

We have a branch office Server 2008.  its active directory was not replicating and eventually went to tombstone.  I assume users must have been authenticating over the site to site VPN to a main office DC.  

I rtied the registry fix to allow it to synch when out of date, but that did not work.

I eventually ran dcpromo /forceremoval, ran metadata cleanup, killed it out of DNS.  I still cannot run dcpromo, or join this to the domain.  At one point I changed its name and IP address and still couldnt join.

It currently is a stand alone server.  It has a secondary DNS zone for my domain, which works.  it has a good connection to the main DC, can ping the domain name and get a response from the main DC.  can ping the main DC by name and get a correct response.

On both functions I get to the name and password box, then get network path not found, or forest not available.
mathews2001Asked:
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mathews2001Connect With a Mentor Author Commented:
got it

Somehow Client for Microsoft Networks was removed from teh NIC during the dcpromo /forcemoval.  it was the last place I looked.

Also found a lanman registry key that was divergent from a working system.
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mathews2001Author Commented:
errors from Joining domain and dcpromo

dcpromo
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SandeshdubeySenior Server EngineerCommented:
Please check below parameters

1.Check the dns setting shpuld point to online DC which is reachable and required port are open for AD communication,check the NIC binding and ensure multiple NIC is not configured.http://abhijitw.wordpress.com/2012/03/03/best-practices-for-dns-client-settings-on-domain-controller/

Active Directory Firewall Ports - Let's Try To Make This Simple
http://msmvps.com/blogs/acefekay/archive/2011/11/01/active-directory-firewall-ports-let-s-try-to-make-this-simple.aspx 

2.Please try disabling the windows firewall and Antivirus Application for a while on the Windows 2008 server and try.

3.This issue may occur if the TCP/IP NetBIOS Helper Service is not running on the client computer.
 http://www.chicagotech.net/pathnotfound.htm
 
Network Path Not Found" Error Message When You Try to Add Workstation to Domain:http://support.microsoft.com/kb/285182

4.Check the health of exisitnf dc too by dcdiag/q and repadmin /replsum
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mathews2001Author Commented:
dns is pointing to a good DC and working.  even went old school and added hosts and lmhosts files at one point.

no AV for now

The VPNs are wide open between sites.

no local firewalls enabled

dcdiag is clean except for one frsevent message that I feel is minor
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mathews2001Author Commented:
Source DC           largest delta  fails/total  %%  error
AUSTIN               35m:32s    0 /  23    0
 east                 31m:36s    0 /  10    0
 maindc                  31m:41s    0 /  23    0
 HOUSTON              31m:41s    0 /  10    0
 TYLER            31m:37s    0 /  10    0
 west                 31m:37s    0 /   6    0


Destination DC    largest delta    fails/total  %%  error
 AUSTIN               31m:43s    0 /  23    0
 east                 35m:32s    0 /  10    0
 maindc              33m:58s    0 /  23    0
 HOUSTON              25m:08s    0 /  10    0
 TYLER             31m:01s    0 /  10    0
 west                 34m:40s    0 /   6    0
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SandeshdubeySenior Server EngineerCommented:
Can you post the ipconfig /all details of the server you are promoting? what about the client computer can you try rejoining one of the client computer in site where you are promoting the server.
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mathews2001Author Commented:
Ethernet adapter Local Area Connection:

   Connection-specific DNS Suffix  . : domain.com
   Description . . . . . . . . . . . : Broadcom BCM5716C NetXtreme II Gig
 VBD Client)
   Physical Address. . . . . . . . . : B8-AC-6F-80-65-8D
   DHCP Enabled. . . . . . . . . . . : No
   Autoconfiguration Enabled . . . . : Yes
   IPv4 Address. . . . . . . . . . . : 10.0.8.11(Preferred)
   Subnet Mask . . . . . . . . . . . : 255.255.255.0
   Default Gateway . . . . . . . . . : 10.0.8.1
   DNS Servers . . . . . . . . . . . : 10.0.9.10
                                       10.0.2.9
   NetBIOS over Tcpip. . . . . . . . : Enabled

the 2 DNS servers are the closest DC and the one at the main office.

they are reachable by ping. BUT I cannot browse them.  Sicne this server is not on the domain, I would expect to get a username/password box, then be able to see the shares on the 2 servers.  Instead I get the network lcoation cannot be reached.  

Going the other direction works.  from DC to this server.
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mathews2001Author Commented:
took me a while to get there
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