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ORA-12560: TNS: protocoll Adapter error

Hi all!

I tried to update Oralce 8.1.7 to 9.2.0.4. The Installation of the new Software worked without Problems. But when I start the "Database Upgrade Assistant" I got following Error MEssage: <b>ORA-12560: TNS:protocoll Adapter error</b>.

Perhaps somebody can give me a hint? (8.1.7 with all Services is running)

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    author's profile photo Former Member
    Former Member
    Posted on Oct 12, 2005 at 03:57 PM

    Hi Alexander

    Well it would be better if you upgrade manually instead of using 'Database Upgrade Assistant' as there are frequent issues with upgrade assistant.

    You can get manual upgrade documents from Oracle Metalink, Read Document Note 159657.1: Complete Upgrade Checklist for manual upgrades from 8.X/9.0.1 to Oracle 9i.

    cheers

    Sameer

    PS: Before going to manual upgrade check which ORACLE_HOME is set. There is a possibility that it may be looking at the wrong tnsnames.ora file entry depending on if ORACLE_HOME is 8.x or 9.x

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