Verify that your system meets upgrade requirements.
    
- Verify
that the computer on which you plan to upgrade the Sybase products
meets system requirements.
 
- Determine
whether the version of your server can be upgraded to the Cluster Edition.
 
- Verify that you unloaded Adaptive Server in a 
different
 directory
than your previous Adaptive Server installation. However, if you overwrite the previous installation:
- Restore it from your most recent
backup.
 
- Reinstall the product files for Adaptive Server
in a different directory.
 
- Continue with the upgrade.
 
 
- Verify that your operating system for the
Cluster Edition.