I have a Windows Server 2008/SQL 2008R2 server that has both the 32 bit and 64 bit Oracle 11g client installed. Also we have TNS_ADMIN environment variable that points to a corporate location for all Oracle connections. The problem I am having is I am trying to create a data source in Reporting Services that I cannot get a successful testing of the connection. The error it keeps returning is "ORA-12154: TNS:could not resolve the connect identifier specified". I have validated I can connect using SQL*PLUS and I also could successfully test an ODBC connection to this Oracle SID, I just cannot get it working in SSRS.
Any idea what the issue may be?
Also, as a side note, we have a different Oracle connection in the same server that has a report on top of it that runs successfully althought that data source also fails the "Test Connection", which is very bizarre to me
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