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Verify SQL connection using UDL file

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Updated January 18th, 2017


This procedure can be used to verify SQL connection.


  • All versions


Right-click on the Windows Desktop, hover over New, and click Text Document


Rename the three letter file extension .txt to .udl

For example, Change test.txt to test.udl


Because you are changing the extension, you will be prompted


Click Yes. Double-click the test.udl file to open the Data Link Properties window.

Enter (or select) the server name, select integrated security or SQL Login and provide credentials, then select or enter a database name


Click the Test Connection button to test connectivity




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