UserIdentifier (MQCHAR12)

This field specifies the user identifier used by the message channel agent when attempting to initiate a secure SNA session with a remote message channel agent.

This field can be nonblank only on UNIX and Windows, and is relevant only for channels with a ChannelType of MQCHT_SENDER, MQCHT_SERVER, MQCHT_REQUESTER, or MQCHT_CLNTCONN. On z/OS, this field is not relevant.

The length of this field is given by MQ_USER_ID_LENGTH. However, only the first 10 characters are used.

This field is not present when Version is less than MQCD_VERSION_2.