Running IOServer in NT 4.0, 2000 or XP

To Run IOServer as an Application

Register IOServer as an application by issuing the following command
        IOServer /RegServer

Run IOServer by issuing the following command
        IOServer

To Run IOServer as a NT Service

Before attempting to run IOServer as a NT Service, IOServer must be run as an application first with the desired configuration. Only the registered version of IOServer can be run as a NT service.

Register IOServer as a NT service by issuing the following command
    IOServer /service

After IOServer is registered as a NT Service, it can only be started and stopped with Start->Settings->Control Panel->Services->IOServer. Do not start IOServer by running IOServer.exe 

Enable "Services.Log on.Log on as Local System Account.Allow service to interact with desktop" to show IOServer on the desktop.

IOServer Start up and shutdown

If IOServer is started by an external OPC client, IOServer will automatically shutdown when the last external OPC client releases it.

If IOServer is started manually by a user, IOServer can only be shutdown manually by a user.

To Uninstall IOServer

Run
    ioserver /UnRegServer
    unwise.exe

DCOM Identity of IOServer.exe

Should be set to the Interactive user or a user with power user privileges

User Privilege

The user must be at least a power user. It must be able to read and write to the HKEY_LOCAL_MACHINE\Software in the registry.

Registering IOServer

IOServer will registering itself every time it is run.

Last updated: 07 November 2006