The following error is received when trying to connect to the Biotics 5 database via Crystal Reports using Oracle 10g on a Windows 7 machine:
SP2-1503: Unable to initialize Oracle call interface
SP2-0152: ORACLE may not be functioning properly
As identified in Oracle Doc ID 1531248., the minimum version of Oracle Database Client that is certified with Windows 7 (32 bit) is 10.2.0.5.0.
Version 10.2.0.1.0 is not certified for Windows 7.
How to identify your version of Oracle?In the DOS prompt, type in sqlplus - that's it - don't log into a database. The version of your Oracle client will be displayed.
The error does not occur using SQL*Plus 10.2.0.5.0
Upgrade SQL*Plus from 10.2.0.1.0 to 10.2.0.5.0 (or 11g, if possible)
Oracle Database 10g Release 2 Client 32 bit (10.2.0.5 and higher) is certified for Windows 7 32 bit.