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The issue occurs because Deep Security 8.0 SP2 32-bit cannot be upgraded to Deep Security 9.0 64-bit. To resolve the issue, upgrade the existing installation to the 64-bit version before upgrading to Deep Security 9.0.
To upgrade:
  1. Back up the Deep Security Manager (DSM) database.
  2. Ensure that you have all the configuration information for your DSM available, such as the following:
    • owner of the database
    • location of the database
    • server role of the owner of the database
  3. Make sure the DSM is using the latest 32-bit installer for version 8.0 (example: 8.0 SP2 32-bit). Check the Download Center for the latest build.
  4. Uninstall the 32-bit DSM.
  5. Go to the Download Center and get the installer for the 64-bit version of DSM 8.0. It must be the same as the 32-bit DSM 8.0 you uninstalled (example: 8.0 SP2 64-bit).
  6. Install the 64-bit version of DSM 8.0. When you install, choose your existing DSM database, and select the Add a new Manager node option.
  7. Log in to the DSM console.
  8. Go to System > System Information > Network Map with Activity Graph view.
  9. Click the offline DSM node that corresponds to the current server.
    Note: This is the old 32-bit instance of the DSM that was uninstalled.
  10. In the Properties window, decommission the node.
  11. Upgrade to Deep Security 9.0 64-bit.