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Microsoft OLE DB Provider for ODBC Drivers error '80004005'

Microsoft OLE DB Provider for ODBC Drivers error '80004005'

(OP)
I am migrating old applications from 2k3 to 2k8r2 server. The app works fine in 2k3 but in 2k8. I am not familiar with classic asp. It seems like I am missing configuration steps somewhere. Can someone point me there? I am trying to connect to oracle database 11g. Thanks

I got diff errors depending on what Option I use below.
Microsoft OLE DB Provider for ODBC Drivers error '80004005'
[Microsoft][ODBC Driver Manager] Data source name not found and no default driver specified

ADODB.Connection error '800a0e7a'
Provider cannot be found. It may not be properly installed

I have tried different ways to connect to the database and looked at anything that I could think of but still getting the same error. I have been scour the internet for hours.

Option 1:
Set Conn = Server.CreateObject("ADODB.Connection")
ConnStr="Provider=MSDASQL; driver={Microsoft ODBC for ORACLE}; Password=xxx;User ID=xxx;Server=xxx.world"
Conn.Open Connstr

Option 2:
Set Conn = Server.CreateObject("ADODB.Connection")
ConnStr="Provider=OraOLEDB.Oracle;Password=xxx;User ID=xxx;Data source=xxx.world;Persist Security Info=True"
Conn.Open Connstr

Option 3:
Set Conn = Server.CreateObject("ADODB.Connection")
ConnStr="Provider=OraOLEDB.Oracle.1;Password=xxx;User ID=xxx;Data source=xxx.world;Persist Security Info=True"
Conn.Open Connstr

RE: Microsoft OLE DB Provider for ODBC Drivers error '80004005'

(OP)
I GOT IT! You need to register OraOLEDB.dll as 32 bit.

Run as Admin at

Command Prompt > regsvr32 c:\oracle\product\1120\client_1\bin\OraOLEDB11.dll

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