From FIXwiki

FIX Message UserRequest (MsgType=BE)

MsgType	FIX Specification	First introduced	Deprecated
MsgType=BE	Infrastructure messages - UserManagement	FIX.4.4

This message is used to initiate a user action, logon, logout or password change. It can also be used to request a report on a user"s status.

Message Contents By FIX Version

Notes

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