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QTP/UFT support tip: troubleshooting steps for Oracle Data Base connection fail

If using a vbscript code to connect to Oracle Data Base is not working from Quick Test Professional (QTP) or Unified Functional Testing (UFT) there are some troubleshooting steps that can be done.


Is important to keep in mind that Quick Test Professional (QTP) and Unified Functional Testing (UFT) are just platforms to execute vbscript code, the tool itself is not a Data Base connector.


  1. Reinstall Oracle Client.
  • Uninstall your Oracle clients (all oracle drivers)
  • Rebooted my machine
  • Download 32-bit client from this link Oracle 12c client (Look for the section near the bottom labeled "Oracle Database 12c Release 1 Client ( for Microsoft Windows (x64 and 32-bit)")
  • Installed 32-bit client [to C:\oracle\product\12.1.0\client_32]
  • Reboot the machine

2. Use Microsoft ODBC dll to create the connection

Set AdoObject= CreateObject("ADODB.Connection")
dim ConnectionString
ConnectionString =" Driver={Microsoft ODBC for Oracle}; Server= server_name; UID=user; PWD=password;"
AdoObject.Open ConnectionString

3. Run the code directly as vbscript file.
If code fail in vbscript then is necessary to set the right code directly in vbscript before test it in QTP/UFT.
4. Ensure Oracle client 64bits is not installed.

Note: The steps below are for troubleshooting purpose, there is no guaranty that they resolve the problem.



HP support
If you find that this or any post resolves your issue, mark it as an accepted solution.


Note: The Opinions expressed in my post are mine alone, and do not reflect the opinions of my employer. No warranties express or implied for any answered posted.


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