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  Asked: Jul 15 2008   5:22 PM GMT
  Asked by: OracleATE

ORA-27101 error when migrating Oracle 9i to AD domain


ORA-27101, Oracle 9i, Oracle migration, Active Directory, Windows Server 2003

We are running Oracle 9 on a Windows 2003 box. We moved the server from a Windows domain to an AD domain. We then get an error messages looking like this:

ORACLE not available ORA-27101

When we back out of the changes, everything works fine again. Any ideas? Thank you.

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Last Answered: Aug 5 2008  5:27 AM GMT  by Jaideepkhanduja




ORA-27101 is Unable to locate shared memory realm.
I can see 2 reasons in this:
1. Your database instance pointer is gone. i.e. ORACLE_SID when you moved from windows domain to AD domain. OR
2. Check if you have modified your database parameters. (ANY).
I feel point 1 needs to be more valid in your case.
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