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Did you setup the client prior to configuring the ODBC DSN?<br />
<br />
<a href="https://www.experts-exchange.com/questions/24393666/How-to-create-Oracle-ODBC-connection-in-Windows.html" rel="ugc">https://www.experts-exchange.com/questions/24393666/How-to-create-Oracle-ODBC-connection-in-Windows.html</a><br />
<br />
Are you using 64-bit binaries?<br />

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Did you setup the client prior to configuring the ODBC DSN?

https://www.experts-exchange.com/questions/24393666/How-to-create-Oracle-ODBC-connection-in-Windows.html [https://www.experts-exchange.com/questions/24393666/How-to-create-Oracle-ODBC-connection-in-Windows.html]

Are you using 64-bit binaries?


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Yes, I installed Oracle Client, and then set up ODBC. <br />
And got the error message when I clicked the button &quot;Test connection&quot; in Oracle ODBC Driver Configuration.<br />
Unable to connect <br />
SQL State=IM004<br />
Driver's SQLAllocHandle on SQL_HANDLE_ENV failed
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Yes, I installed Oracle Client, and then set up ODBC.
And got the error message when I clicked the button "Test connection" in Oracle ODBC Driver Configuration.
Unable to connect
SQL State=IM004
Driver's SQLAllocHandle on SQL_HANDLE_ENV failed

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We installed Oracle client 10.2.0.3 on a window 2003 64bit server. When I set up Oracle ODBC Driver Configuration, got the following error message in testing connection. <br />
Unable to connect <br />
SQL State=IM004<br />
Driver's SQLAllocHandle on SQL_HANDLE_ENV failed<br />
<br />
How to pass the testing of connection in ODBC configuration?<br />
Thanks!
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We installed Oracle client 10.2.0.3 on a window 2003 64bit server. When I set up Oracle ODBC Driver Configuration, got the following error message in testing connection. 
Unable to connect 
SQL State=IM004
Driver's SQLAllocHandle on SQL_HANDLE_ENV failed

How to pass the testing of connection in ODBC configuration?
Thanks!

Driver's SQLAllocHandle on SQL_HANDLE_ENV failed

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