Article ID: 173656
Article Last Modified on 10/28/2006
APPLIES TO
- Microsoft Exchange Server 5.5 Standard Edition
This article was previously published under Q173656
SUMMARY
This article discusses how to use the Base64.exe utility and a Telnet or TCP session to troubleshoot authenticated logons to the Microsoft Exchange Server Internet Mail Service (IMS).
MORE INFORMATION
Use the following steps to test an authenticated logon to the IMS using the Base64.exe utility and a Telnet session:
- Start Base64.exe and type the following command, where USERNAME is the Windows NT account used to login to the Windows NT domain:
This returns the user name in Base64 code. For example, the name "jsmith" returns "anNtaXRo".
encode USERNAME
- Repeat step 1 for your Windows NT account password by typing:
encode PASSWORD
- Start a Telnet session with the IMS by typing the following command:
TELNET servername 25
A response similar to the following should be displayed:
- Type the following command in the Telnet window:
auth login
This returns the following response, which represents the word "Username" in base64:
- Type the Base64-encoded user name from Step 1 into the Telnet session and press Enter. The following response will appear, which represents the word "Password" in base64:
334 UGFzc3dvcmQ6
- Type the Base64-encoded password from Step 2 into the Telnet session and press Enter. The following response will appear, which indicates a successful login to the IMS:
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