Thursday, May 23, 2013

Name resolution and connectivity issues on a RRAS that also runs DC, DNS or WINS

To fix these problems do the following:
Configure the RRAS server to publish only the IP address of the local network adapter in DNS
If the Routing and Remote Access server is running the DNS service, you may Configure the RRAS server to publish only the IP address of the local network adapter in DNS.
To add the PublishAddresses and RegisterDnsARecords registry values for the DNS and Netlogon services, follow these steps:
1. Click Start, click Run, type regedit, and then click OK.
2. Locate and then click the following registry subkey:
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\DNS\Parameters
3. On the Edit menu, point to New, and then click String Value to add the following registry value:
Value name: PublishAddresses
Data type: REG_SZ
Value data: IP address of the server's local network adapter.

If you have to specify more than one IP address, separate the addresses with spaces.
4. Locate and then click the following registry subkey:
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Netlogon\Parameters
5. On the Edit menu, point to New, and then click DWORD Value to add the following registry value:
Value name: RegisterDnsARecords
Data type: REG_DWORD
Value data: 0

6. Close Registry Editor, and then restart the DNS and Netlogon services. To restart a service, click Start, point to Programs or All Programs, point to Administrative Tools, and then click Services. In the Services console, right-click the service, and then click Restart.

Configure the RRAS to register only the IP address of the local network adapter in WINS
If the Routing and Remote Access server is running the WINS service, you may configure the RRAS to register only the IP address of the local network adapter in WINS.
To do that, add the DisableNetbiosOverTcpip registry value for the Routing and Remote Access service. The DisableNetbiosOverTcpip registry value disables the NetBIOS over TCP/IP (NetBT) protocol for remote access connections. Therefore, the server will not register the PPP adaptor in the WINS database.
1. Click Start, click Run, type regedit, and then click OK.
2. Locate and then click the following registry subkey:
HKEY_LOCAL_MACHINE\System\CurrentControlSet\Services\RemoteAccess\Parameters\IP
3. On the Edit menu, point to New, and then click DWORD Value to add the following registry value:
Value name: DisableNetbiosOverTcpip
Data type: REG_DWORD
Value data: 1

4. Close Registry Editor, and then restart the Routing and Remote Access service. To restart a service, click Start, point to Programs or All Programs, point to Administrative Tools, and then click Services. In the Services console, right-click the service, and then click Restart.

Prevent the DNS Register A Records for RRAS
The DNS Server service registers A Records for all interfaces on a server running Routing and Remote Access. That may cause a master browser and connection issues if the server is domain controller.
To prevent this behavior, you may configure the DNS to prevent the DNS register A Record for the RRAS by follow these steps:
1. Start DNS Manager.
2. Right-click the computer name, and then click Properties.
3. Click the Interfaces tab, and then click Only the following IP addresses.
4. Remove any Routing and Remote Access IP addresses that are listed
For more information take a look at this link.

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