Upgrading to OpenSSO Enterprise 8.0 U1P2 is supported from the following releases and platforms:
For information about upgrading to OpenSSO Enterprise 8.0 U1P2, see Installing OpenSSO Enterprise 8.0 Update 1.
Several issues with Portal Server can arise as a result of upgrading Access Manager to OpenSSO Enterprise. For information about these issues, see Chapter 3, Known Issues and Limitations, in Sun Java Enterprise System 7 Release Notes.