Before uninstalling HiRDB, check the status of the unit from which the HiRDB is to be uninstalled. On the applicable unit, execute the pdls -d ust command.

• If the termination status is 0 (unit status is ONLINE):
  HiRDB is running. Use the pdstop command to terminate HiRDB normally.
  
• If the termination status is 4 (unit status is STARTING or STOPPING):
  HiRDB start or termination processing is underway. After the processing is completed, re-execute the pdls -d ust command.
  
• If the termination status is 8 (unit status is PAUSE):
  Restart of the process service has been suspended due to an error. To uninstall HiRDB in this status, proceed to (3) Uninstalling HiRDB.
  If you do not wish to uninstall HiRDB, see the KFPS00715-E message and the message issued to the event log before this message, eliminate the cause of the error, start the service, then restart the unit.
  
• If the termination status is 12 (unit status is STOP):
  HiRDB has stopped. Stop the service.
  
• If the termination status is 16 (unit status is UNSETUP):
  You can uninstall HiRDB.
  

Choose Control Panel, then Services to determine whether or not the HiRDB service to be uninstalled has started. If the HiRDB service has started, stop it, then uninstall the HiRDB.

Before you uninstall HiRDB, make sure that all commands, utilities, applications, HiRDB Datareplicator, and HiRDB Dataextractor have stopped. If any of these programs is running, deletion of executable files and shared libraries may fail.

(a) Uninstalling HiRDB

To uninstall a HiRDB/Single Server:

1. From Start, choose Programs, HiRDBSingleServer, then Uninstall HiRDBSingleServer.
   If Uninstall HiRDBSingleServer is not registered for the version, open Control Panel, choose Add/Remove Programs, then Install/Uninstall. From the list, select HiRDBSingleServer, and choose Add/Remove, then the OK button.
   
2. Uninstallation begins. After a while, the message Do you want to delete shared files? may be displayed. In this case, choose No.
3. When uninstallation is completed, the message Reinstall HiRDB/Single Server after restarting the computer is displayed. Choose the OK button.
4. In the Remove Program from Computer dialog box, choose the OK button. Uninstallation is now completed.
   The following table describes the possible causes of uninstallation errors and the actions to be taken:
   

   Possible cause	Action
   A command, utility, HiRDB Datareplicator, or HiRDB Dataextractor is running.	Terminate the command, utility, HiRDB Datareplicator, or HiRDB Dataextractor that is running, then re-execute uninstallation.
   Other (such as an error)	See the message output to the event log, eliminate the cause of the error, then re-execute uninstallation.

5. Even after HiRDB is uninstalled, the directories and files created after installation remain in the installation directory. If you were using the default installation directory, use a program such as Explorer to delete the hirdb_s subdirectory from the C:\win32app\hitachi directory. If you have not uninstalled HiRDB Control Manager - Agent, uninstall it and then delete the hirdb_s subdirectory.

To uninstall a HiRDB/Parallel Server, execute the uninstallation procedure at all server machines that constitute the HiRDB/Parallel Server.

To uninstall a HiRDB/Parallel Server:

1. From Start, choose Programs, HiRDBParallelServer, then Uninstall HiRDBParallelServer.
   If Uninstall HiRDBParallelServer is not registered for the version, open Control Panel, choose Add/Remove Programs, then Install/Uninstall. From the list, select HiRDBParallelServer, and choose Add/Remove, then the OK button.
   
2. Uninstallation begins. After a while, the message Do you want to delete shared files? may be displayed. In this case, choose No.
3. When uninstallation is completed, the message Reinstall HiRDB/Parallel Server after restarting the computer is displayed. Choose the OK button.
4. In the Remove Program from Computer dialog box, choose the OK button. Uninstallation is now completed.
   The following table describes the possible causes of uninstallation errors and the actions to be taken:
   

   Possible cause	Action
   A command, utility, HiRDB Datareplicator, or HiRDB Dataextractor is running.	Terminate the command, utility, HiRDB Datareplicator, or HiRDB Dataextractor that is running, then re-execute uninstallation.
   Other (such as an error)	See the message output to the event log, eliminate the cause of the error, then re-execute uninstallation.

5. Even after HiRDB is uninstalled, the directories and files created after installation remain in the installation directory. If you were using the default installation directory, use a program such as Explorer to delete the hirdb_p subdirectory from the C:\win32app\hitachi directory. If you have not uninstalled HiRDB Control Manager - Agent, uninstall it and then delete the hirdb_p subdirectory.