2.2.2.2.1 Server Capabilities Request Message

A server sends this message to indicate its version information to the client.


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Header

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Version

Header (8 bytes): A SERVER_IO_HEADER request header. The FunctionId field MUST be set to CAPABILITIES_REQUEST (0x00000005).

Version (2 bytes): A 16-bit unsigned integer. This field SHOULD indicate the version of the server-side implementation of the PNP Device I/O Subprotocol.

Value

Meaning

0x0004

This server version does not support custom event redirection.

0x0006

This server version supports custom event redirection.