Syntax pattern from Microsoft Learn; replace placeholders and choose only one documented alternative before use.
msg {<username> | <sessionname> | <sessionID>| @<filename> | *} [/server:<servername>] [/time:<seconds>] [/v] [/w] [<message>]msg command
Sends a message to a user on a Remote Desktop Session Host server. This guide lists the documented syntax and parameters for msg; check Microsoft Learn for version, role and execution-context requirements.
Documented syntax
msg {<username> | <sessionname> | <sessionID>| @<filename> | *} [/server:<servername>] [/time:<seconds>] [/v] [/w] [<message>]The linked Microsoft Learn article is the upstream authority. Availability may depend on Windows release, role, optional feature or interactive tool context.
Syntax pattern
Parameters, options and clauses
| Option / clause | Description |
|---|---|
<username> | Microsoft documents this argument or subcommand; check the linked reference for its required format and context. |
<sessionname> | Microsoft documents this argument or subcommand; check the linked reference for its required format and context. |
<sessionID> | Microsoft documents this argument or subcommand; check the linked reference for its required format and context. |
<filename> | Microsoft documents this argument or subcommand; check the linked reference for its required format and context. |
/server:<servername> | Microsoft documents this switch; use the linked reference for accepted values, effects and version limits. |
/time:<seconds> | Microsoft documents this switch; use the linked reference for accepted values, effects and version limits. |
/v | Microsoft documents this switch; use the linked reference for accepted values, effects and version limits. |
/w | Microsoft documents this switch; use the linked reference for accepted values, effects and version limits. |
<message> | Microsoft documents this argument or subcommand; check the linked reference for its required format and context. |
Review a command and its target before running it. Commands that alter files, services, accounts, disks, permissions or databases may be difficult to reverse. Test in a safe environment and keep backups.