Summary

The initial Oracle database connection fails.

Error 1

Error, the connection could not be established.

• DocuPerformer.log (C:\Users\<USER>\Documents\BI Docu Performer\Log)
  writes the following line:

  'System.InvalidOperationException: Attempt to load Oracle client libraries threw BadImageFormatException.
  This problem will occur when running in 64 bit mode with the 32 bit Oracle client components installed.

Cause 1

Your Docu Performer BIT-version is incompatible with your Oracle Client.

Solution 1

Install the same BIT-version for the Docu Performer and the Oracle Client.
i.e. 64-bit Docu Performer ↔ 64-bit Oracle Client

Error 2

DocuPerformer.log (C:\Users\<USER>\Documents\BI Docu Performer\Log)
writes the following line:

System.Data.OracleClient requires Oracle client software version 8.1.7 or greater

Cause 2

Oracle Client folder missing permissions.

Solution 2

1. Go to the Oracle Client folder.
2. Right-click on the folder.
3. On security Tab, Add “Authenticated Users” and give this account Read & Execute permission.
4. Apply this security for all folders, Subfolders and Files (IMPORTANT).
5. Don’t Forget to REBOOT your Machine; if you forgot to do this you will still face the same problem unless you restart your machine.

Solution 2.1

• Set your environment variable to the Oracle Client path