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WMISet configuration |
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This section describes how to configure different operating systems
for WmiSet components to work properly. The components rely on
Windows Management Instrumentation (WMI) subsystem. The purpose of
the configuration is to properly install this subsystem when
it is not installed by default. Click on the name of operating system to
see the appropriate instructions.
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Windows 98, Windows ME
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The following software has to be installed:
- WMI Core version 1.5 for Windows 98. This is a free download from
Microsoft web site.
- Active Directory Service (ADS) Extensions for Windows 98. (optional).
If this software is not installed, SystemInfo property
of the components will fail. The rest of the
functionality should not be affected. ADS installation
may be downloaded from Microsoft web site.
- DCOM for Windows 98, version 1.3. This component is
required when Windows 98/ME workstations is to be
accessed remotely. DCOM installation may be downloaded
from Microsoft web site.
Once all the required software is installed, you will have to
perform a number of configuration steps, some of them may be omitted
if the appropriate software was not installed:
Configure WinMgmt server to start at system startup.
This is required since Windows 98 system cannot start DCOM
server on demand. WinMgmt.exe is usually located
in C:\WINDOWS\SYSTEM\WBEM directory.
Configure the workstation for user-level access
- Go to control panel, double click on the Network applet;
- Go to Access Control tab. Select User-level access control and provide name of
Windows NT or higher workstation or server.
The user accounts will be fetched from the specified computer.
You may also specify name of the domain.

- Reboot the workstation.
Configure DCOM to allow remote connections.
- start dcomcnfg.exe utility
- Go to Default Properties tab, set
Default Authentication Level to Connect,
select Enable Distributed COM on this computer.

- Go to Default Security tab, edit the list of
accounts that can access the COM object on this computer.
Some of the examples are shown below. Contact your system
administrator to discuss the security implications.

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Windows NT 4.0
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- Download and install WMI Core version 1.5 for Windows NT.
This is a free download from Microsoft web site.
- Run dcomcnfg.exe utility and make sure that distributed
COM is enabled on the computer.
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Windows 2000, Windows XP, Server 2003
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WmiSet components should run without additional configuration on these
operating systems. Please note that Windows XP Home edition does not support
remote WMI connections.
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* Windows 98, Windows ME, Windows NT, Windows 2000, Windows XP are registered trademarks of Microsoft Corp.
* Borland, Delphi, C++Builder are registered trademarks of Borland Corp.
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