Test the client configuration
<WE_LIB>/STRWINPGM CMD(NOTEPAD)

[More info: STRWINPGM]

[More info: PCO ID Retrieval]

If you use a terminal emulation that does not support PCO, go to an AS/400 session and enter the command <WE_LIB>/SETRTVID MODE(*USER). Activate the setting Identification based on the user id of the current user on the Connection configuration tab of the PC configuration program. Connect WE/400. Retry the STRWINPGM command.

[More info: User ID ID Retrieval]