Dsmod quota


Applies To: Windows Server 2008, Windows Server 2012, Windows 8

Modifies attributes of one or more existing quota specifications in the directory.

Dsmod is a command-line tool that is built into Windows Server 2008. It is available if you have the Active Directory Domain Services (AD DS) server role installed. To use dsmod, you must run the dsmod command from an elevated command prompt. To open an elevated command prompt, click Start, right-click Command Prompt, and then click Run as administrator.

For examples of how to use this command, see Examples.


dsmod quota <QuotaDN> ... [-qlimit <Value>] [-desc <Description>] [{-s <Server> | -d <Domain>}] [-u <UserName>] [-p {<Password> | *}] [-c] [-q] [{-uc | -uco | -uci}]





Required. Specifies the distinguished names of one or more quota specifications that you want to modify. If values are omitted, they are obtained through standard input (stdin) to support piping of output from another command to input of this command.

-qlimit <Value>

Specifies the number of objects in the directory partition that can be owned by the security principal to which the quota object is assigned. To specify an unlimited quota, use a value of -1.

-desc <Description>

Specifies the description of the quota specification that you want to modify.

{-s <Server> | -d <Domain>}

Connects a computer to a remote server or domain that you specify. By default, dsmod connects the computer to a domain controller in the logon domain.

-u <UserName>

Specifies the user name with which the user logs on to a remote server. By default, -u uses the user name with which the user logged on. You can use any of the following formats to specify a user name:

  • user name (for example, Linda)

  • domain\user name (for example, widgets\Linda)

  • user principal name (UPN) (for example, Linda@widgets.contoso.com)

-p {<Password> | *}

Specifies to use either a password or an asterisk (*) to log on to a remote server. If you type *, dsmod prompts you for a password.


Reports errors, but continues with the next object in the argument list when you specify multiple target objects (continuous operation mode). If you do not supply this parameter, dsmod quits after the first error occurs.


Suppresses all output to standard output (quiet mode).

{-uc | -uco | -uci}

Specifies that output or input data is formatted in Unicode. The following list explains format.

  • -uc: Specifies a Unicode format for input from or output to a pipe (|).

  • -uco : Specifies a Unicode format for output to a pipe (|) or a file.

  • -uci: Specifies a Unicode format for input from a pipe (|) or a file.


Displays help at the command prompt.


  • Dsmod quota supports only a subset of commonly used object class attributes.

  • If a value that you use contains spaces, use quotation marks around the text, for example, "CN=DC2,OU=Domain Controllers,DC=Contoso,DC=Com".

  • If you use multiple values for an option, use spaces to separate the values, for example, a list of distinguished names.

  • Dsmod quota does not support the addition of security principals in one forest to groups that are located in another forest when a forest trust joins both forests. You can use Active Directory Users and Computers to add security principals across a forest trust.


To change the quota limit for a quota named DN1 to a value of 100, type:

dsmod quota DN1 -qlimit 100

Additional references

Command-Line Syntax Key


Dsmod computer

Dsmod contact

Dsmod group

Dsmod ou

Dsmod server

Dsmod user

Dsmod partition