Unregistering a Managed Unit

When a unit is unregistered, always unregister from the Central Manager. This method is the only way that the Central Manager decrements its count of managed units.

Unregistering from the managed unit does NOT unregister the unit on the Central Manager. The Central Manager still counts that unit as a managed unit for licensing purposes and treats the unit as managed. It might not allow another unit to be registered with the Central Manager. The unregister function on the managed unit is included for emergency use ONLY. If a manager is no longer in service, then you must unregister the unit before you can register it to another manager.

If you unregister a unit from the managed unit, it still shows on the Central Manager screen. Pressing refresh for that unit reregisters it. Pressing any other operation for that unit gives out a message that the unit is no longer managed and removes it from the manager.

On a managed unit, you can use the GUI to unregister the unit with the Central Manager. Also, you can use the CLI unregister command as described in Unregistering a Managed Unit with the CLI.

  1. Log in as admin to the Guardium UI of the unit to be managed.
  2. Click Set > Central Management > Registration and Load Balance to open Central Management Registration.
  3. Click Unregister.

What Happens during Unregistration

The following actions take place upon unregistration.

  • The unit type is set to standalone.
  • The manager IP is cleared.
  • The product key is cleared (license is null until registration to new manager or a license is loaded manually).
  • The list of threshold alerts that is not evaluated is reset.
  • All job scheduling is reset to default.
  • Psml files are removed.
  • All users but the default users (admin, accessmgr) are removed.
  • The database connection from managed to manager is disabled.
  • The GUI is restarted.

After unregistration all definitions of reports, queries, groups, policies, audits, and more are retrieved from the local database, the definitions that are stored on Central Manager are no longer accessible.

If you are unsure about how to verify, contact Guardium Support before you unregister the unit.

Unregistering a Unit from the Central Manager

  1. Log in, as admin, to the Central Manager.
  2. Click Manage > Central Management > Central Management to open Registration.
  3. Mark the check box for the managed unit you want to unregister.
  4. Click Unregister.

Unregistering a managed unit from the Central Manager screen removes it from the managed unit list and sets the unit to be a stand-alone unit.

Note: The product key of the unit is removed and unless the unit is registered to another manager the product key is placed in manually.

Unregistering from a Managed Unit

On a managed unit, you can use the UI to unregister the unit with the Central Manager. Also, you can use the CLI unregister command as described in Unregistering a Managed Unit with the CLI.

  1. Log in, as admin, to the managed unit.
  2. Click Setup > Central Management > Registration and Load Balance to open Registration.
  3. Click Unregister.

To unregister a Managed Unit by using the CLI, complete the following steps.

  1. On the Managed Unit, log in to the CLI.
  2. Enter unregister management.

After you have unregistered from the Managed Unit, it severs communication with the Central Manager, and nothing more needs to be done.