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Old 04-21-2006, 01:30 AM   #4 (permalink)
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This issue can be caused by one of the following:

1. Port 3101 is not open or is refusing outbound connections.
2. The Internet connection timed out.

Cause 1

The BlackBerry Enterprise Server is not connecting to the BlackBerry Infrastructure through the firewall.
Resolution 1

Verify if the BlackBerry Enterprise Server connects through the BBSrpTest.exe utility.

1. Browse to C:\Program Files\Research In Motion\BlackBerry Enterprise Server\Utility\.
2. Run the BBSrpTest.exe file and look for a Successful response in the command prompt window.
3. If the command prompt window shows a failed message or a winsock error code, verify that your SRP credentials are correct.
4. If your SRP credentials are correct, contact your network administrator.

Note: Firewall port 3101 should be open for outbound initiated, bi-directional traffic.
Cause 2

The Network Access Node key in the Microsoft Windowsxxx174; Registry is set to an IP address or NetBIOS name other than localhost.
Resolution 2

Modify the NetworkAccessNode value to localhost in the registry.

Warning: Modifying the computer registry can cause substantial damage to the Microsoft Windows operating system. Document and back up the existing registry entries prior to implementing any changes.

1. Click Start > Run and type regedit.
2. Browse to HKEY_LOCAL_MACHINE\Software\Research In Motion\BlackBerry Enterprise Server\Dispatcher\.
3. Change the NetworkAccessNode Value data field to localhost and close the Registry Editor.
4. Go to Control Panel > Administrative Tools > Services.
5. Stop and Start the BlackBerry Dispatcher