Windows Management Instrumentation (WMI) Protocol and Symantec Endpoint Encryption Device Control 8.2.x


Article ID: 155888


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Symantec Products


An Symantec Endpoint Encryption admin would like to know more information about Windows Management Instrumentation (WMI) protocol and Device Control 8.2.x.


The Device Control Management Server communicates with client computers using WMI. WMI is an access mechanism that enables you to query, change, and monitor configuration settings on client computers. To interact with the Device Control Client systems, you must open the WMI port on the clients.


Once you have opened the WMI port on a client, confirm communication is successful by updating a policy or collecting logs.


WMI Configuration Information

Windows Vista or Windows 7:


For Windows Vista or later clients, you can set a fixed port for WMI. Please use the following link for assistance:


Windows XP or earlier
For clients using the Windows Firewall, please use the following link:
For clients using a Firewall other than Microsoft Windows, please use the vendor's documentation.


To troubleshoot WMI issues, please use the following Microsoft link: