Migration Methods for Grid Control

Is there any way to migrate a separately installed 10.2.0.3 64-bit GC Repository Database with OMS version 10.2.0.4 to a new characterset? Also wanting to migrate to 11.1.0.6 (or 11.1.0.7) for the database version?
Subject: How to Move a Grid Control Repository to a 10.1.0.3 Database
Doc ID: Note:285087.1
From the above doc on Metalink: "You cannot export the repository to a 10.1.0.3 database
the export is not supported because there are many references to the hosting database in the Grid Framework.
Many functionalities will be broken and the Grid Framework can be considered as corrupted."
The quote above and the lack of further documents on Metalink leads me to believe that using standard migration methods such as exp/imp and datapump won't work with GC.
I know that it is possible to migrate to 11g for the database and there are instructions for doing so but....not for migrating to a new characterset (AL32UTF8) as well. We are just wanting to reduce the proliferation of charactersets.
Any suggestions?
thanks
Edited by: user593520 on Oct 14, 2008 9:16 AM

I found the answer...according to Metlalink Note 388090.1...changing charactersets won't work.
Looks like a reinstall or keep current characterset and migrate to 11gR1 for the database.

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