Additionally, when you check the transport queue, you see an error message that resembles the following:
Method 1: Select the "Register this connection's addresses in DNS" check boxOn your computer, select the Register this connection's addresses in DNS check box on the DNS tab of the Advanced TCP/IP Settings dialog box of TCP/IPv4.
Method 2: Enable the DNS service by using a registry key
Important This section, method, or task contains steps that tell you how to modify the registry. However, serious problems might occur if you modify the registry incorrectly. Therefore, make sure that you follow these steps carefully. For added protection, back up the registry before you modify it. Then, you can restore the registry if a problem occurs. For more information about how to back up and restore the registry, click the following article number to view the article in the Microsoft Knowledge Base:
322756 - How to back up and restore the registry in Windows
- Select Start, select Run, type regedit in the Open box, and then select OK.
- Locate and then select the following registry subkey:
- On the Edit menu, point to New, and then select DWORD (32-bit) Value.
- Type EnableDNS, and then press Enter.
- In the Details pane, right-click EnableDNS, and then select Modify.
- In the Value data box, type 1, and then select ck OK.
- Exit Registry Editor.
- Restart the Microsoft Exchange Transport service.