Problem upgrading from Windows 2000 Oracle 8.0.6 to Oracle 9.2.0.1.0 2004-06-17 - By Paul Vincent
Hi everybody,
I 've just installed Oracle 9.2.0.1.0 onto a Windows 2000 server which was currently running Oracle 8.0.6 with a single instance on it. I noticed that during the installation, I wasn 't presented with the Upgrading An Existing Database screen. This may be significant! I didn 't think anything of it, since I intended to run the Database Upgrade Assistant independently after installing 9.2.
The installation went smoothly. I then checked that the 8.0.6 db instance was still up and running, by connecting to it from my office workstation. Yes, fine. Back to the server, and I fired up Database Upgrade Assistant from the Oracle 9.2 program group. After the Welcome screen it showed the panel which did indeed list my 8.0.6 database. I selected it, gave a userid with the necessary SYSDBA privileges, and a password, and clicked on next. Then I got an error message: ORA-12203 (See ORA-12203.ora-code.com): TNS unable to connect to destination.
Now, presumably this means I 've got something wrongly configured on the server, such that it can 't connect to its own local database. Any ideas at all, as to where I should start looking, would be very greatly appreciated!
Best regards,
Paul Vincent
Database Administrator
University of Central England
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