Fetching list of products from SAP: connecting SAP database from .net application

You can troubleshoot by trying a telnet to SAP system.

Open a command prompt on the system you are running your .net application and try to telnet server having SAP system installed.

Telnet 127.0.0.1 3300

If you using a local system, try using a hostname instead of loopback IP address and make an entry in host file of the system.

How to find host file in the system?

• Press the Windows key.
• Type Notepad in the search field.
• In the search results, right-click Notepad and select Run as administrator.
• From Notepad, open the following file: c:\Windows\System32\Drivers\etc\hosts.
• Make the necessary changes to the file.
•  Click File -> Save to save your changes.