System command

bootcfg query command

Queries and displays the [boot loader] and [operating systems] section entries from Boot.ini. This guide lists the documented syntax and parameters for bootcfg query; check Microsoft Learn for version, role and execution-context requirements.

Availability: Microsoft Learn command reference spanning Windows client and Windows Server releases; some entries are legacy, role-specific, optional-feature or interactive subcommands.中文

Documented syntax

bootcfg /query [/s <computer> [/u <domain>\<user> /p <password>]]

The linked Microsoft Learn article is the upstream authority. Availability may depend on Windows release, role, optional feature or interactive tool context.

Syntax pattern

Syntax pattern from Microsoft Learn; replace placeholders and choose only one documented alternative before use.

bootcfg /query [/s <computer> [/u <domain>\<user> /p <password>]]

Parameters, options and clauses

Option / clauseDescription
/s <computer>Microsoft documents this switch; use the linked reference for accepted values, effects and version limits.
/u <domain><user>Microsoft documents this switch; use the linked reference for accepted values, effects and version limits.
/p <password>Microsoft documents this switch; use the linked reference for accepted values, effects and version limits.
/queryMicrosoft documents this switch; use the linked reference for accepted values, effects and version limits.
/sMicrosoft documents this switch; use the linked reference for accepted values, effects and version limits.
<computer>Microsoft documents this argument or subcommand; check the linked reference for its required format and context.
/uMicrosoft documents this switch; use the linked reference for accepted values, effects and version limits.
<domain>Microsoft documents this argument or subcommand; check the linked reference for its required format and context.
<user>Microsoft documents this argument or subcommand; check the linked reference for its required format and context.
/pMicrosoft documents this switch; use the linked reference for accepted values, effects and version limits.
<password>Microsoft documents this argument or subcommand; check the linked reference for its required format and context.
Safety note

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.

Official reference ↗Back to directory