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Displays or modifies discretionary access control lists (DACLs) on specified files and applies stored DACLs to files in specified directories.

Note

This command replaces the deprecatedcacls command.

Syntax

icacls name [/save aclfile] [/setowner user] [/findsid Sid] [/verify] [/reset] [/T] [/C] [/L] [/Q]icacls name [/grant[:r] Sid:perm[...]] [/deny Sid:perm [...]] [/remove[:g|:d]] Sid[...]]] [/setintegritylevel Level:policy[...]] [/T] [/C] [/L] [/Q]icacls directory [/substitute SidOld SidNew [...]] [/restore aclfile] [/C] [/L] [/Q]

Parameters

Parameter	Description
`<name>`	Specifies the file for which to display or modify DACLs.
`<directory>`	Specifies the directory for which to display or modify DACLs.
/t	Performs the operation on all specified files in the current directory and its subdirectories.
/c	Continues the operation even if file errors occur. Error messages are still shown.
/l	Performs the operation on a symbolic link instead of its destination.
/q	Suppresses success messages.
/save`<ACLfile>`	Stores DACLs for all matching files into an access control list (ACL) file for later use with`/restore`.
/setowner`<user>`	Changes the owner of all matching files to the specified user.
/findsid`<sid>`	Finds all matching files that contain a DACL explicitly mentioning the specified security identifier (SID).
/verify	Finds all files with ACLs that aren't canonical or have lengths inconsistent with access control entry (ACE) counts.
/reset	Replaces ACLs with default inherited ACLs for all matching files.
/grant[:r]`<sid>`:`<perm>`	Grants specified user access rights. Permissions replace previously granted explicit permissions. Not adding:r means that permissions are added to any previously granted explicit permissions.
/deny`<sid>`:`<perm>`	Explicitly denies specified user access rights. An explicit deny ACE is added for the stated permissions and the same permissions in any explicit grant are removed.
/remove: g \| d`<sid>`	Removes all occurrences of the specified SID from the DACL. This command can also use: g - Removes all occurrences of granted rights to the specified SID d - Removes all occurrences of denied rights to the specified SID
/setintegritylevel`<perm><level>`	Explicitly adds an integrity ACE to all matching files. The level can be specified as: l - Low m - Medium h - High Inheritance options for the integrity ACE may precede the level and are applied only to directories.
/substitute`<sidold><sidnew>`	Replaces an existing SID (sidold) with a new SID (sidnew). Requires using with the`<directory>` parameter.
/restore`<ACLfile>` /c \| /l \| /q	Applies stored DACLs from`<ACLfile>` to files in the specified directory. Requires using with the`<directory>` parameter.
/inheritancelevel: e \| d \| r	Sets the inheritance level, which can be: e - Enables inheritance d - Disables inheritance and copies the ACEs r - Disables inheritance and removes only inherited ACEs

Remarks

SIDs may be in either numerical or friendly name form. If you use a numerical form, affix the wildcard character* to the beginning of the SID.
This command preserves the canonical order of ACE entries as:
- Explicit denials
- Explicit grants
- Inherited denials
- Inherited grants
The<perm> option is a permission mask that can be specified for basic rights, advanced rights, or inheritance rights:
- A sequence of simple rights (basic permissions) without the need to use parenthesis:
  - N - No access
  - F - Full access
  - M - Modify access
  - RX - Read and execute access
  - R - Read-only access
  - W - Write-only access
  - D - Delete access
- A comma-separated list of specific rights (advanced permissions) which must use parenthesis:
  - DE - Delete
  - RC - Read control (read permissions)
  - WDAC - Write DAC (change permissions)
  - WO - Write owner (take ownership)
  - S - Synchronize
  - AS - Access system security
  - MA - Maximum allowed
  - GR - Generic read
  - GW - Generic write
  - GE - Generic execute
  - GA - Generic all
  - RD - Read data/list directory
  - WD - Write data/add file
  - AD - Append data/add subdirectory
  - REA - Read extended attributes
  - WEA - Write extended attributes
  - X - Execute/traverse
  - DC - Delete child
  - RA - Read attributes
  - WA - Write attributes
- A sequence of inheritance rights which must use parenthesis:
  - (I) - Inherit. ACE inherited from the parent container.
  - (OI) - Object inherit. Objects in this container inherits this ACE. Applies only to directories.
  - (CI) - Container inherit. Containers in this parent container inherits this ACE. Applies only to directories.
  - (IO) - Inherit only. ACE inherited from the parent container, but doesn't apply to the object itself. Applies only to directories.
  - (NP) - Don't propagate inherit. ACE inherited by containers and objects from the parent container, but doesn't propagate to nested containers. Applies only to directories.

Examples

To save the DACLs for all files in the C:\Windows directory and its subdirectories to the ACLFile file, type:

icacls c:\windows\* /save aclfile /t

To restore the DACLs for every file within ACLFile that exists in the C:\Windows directory and its subdirectories, type:

icacls c:\windows\ /restore aclfile

To grant the user User1 Delete and Write DAC permissions to a file named Test1, type:

icacls test1 /grant User1:(d,wdac)

To grant the user defined by SID S-1-1-0 Delete and Write DAC permissions to a file named TestFile, type:

icacls TestFile /grant *S-1-1-0:(d,wdac)

To apply ahigh integrity level to a directory and ensure that both its files and subdirectories inherit this level, type:

icacls "myDirectory" /setintegritylevel (CI)(OI)H

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