cambiar password de usuario

¿te refieres a esto?

Net user

Adds or modifies user accounts or displays user account information.

Syntax
net user [UserName [Password | *] [Options]] [/domain]
net user [UserName {Password | *} /add [Options] [/domain]]
net user [UserName [/delete] [/domain]]

Parameters
UserName

Specifies the name of the user account to add, delete, modify, or view. The
name of the user account can have as many as 20 characters.

Password
Assigns or changes a password for the user's account. Type an asterisk (*)
to produce a prompt for the password. The password is not displayed when you
type it at the password prompt.

/domain
Performs the operation on the domain controller in the computer's primary
domain.

Options
Specifies a command-line option. The following table lists valid
command-line options that you can use. Command-line option syntaxDescription

/active:{no | yes}Enables or disables the user account. If the user account
is not active, the user cannot access resources on the computer. The default
is yes (that is, active).

/comment:"Text"Provides a descriptive comment about the user's account. This
comment can have as many as 48 characters. Enclose the text in quotation
marks.

/countrycode:NNNUses the operating system Country/Region codes to implement
the specified language files for a user's Help and error messages. A value
of 0 signifies the default Country/Region code.

/expires:{{MM/DD/YYYY | DD/MM/YYYY | mmm,dd ,YYYY} | never}Causes the user
account to expire if you specify date. Expiration dates can be in
[MM/DD/YYYY], [DD/MM/YYYY], or [mmm,dd ,YYYY] format, depending on the
Country/Region code. Note that the account expires at the beginning of the
specified date. For the month value, you can use numbers, spell it out, or
use a three-letter abbreviation (that is, Jan, Feb, Mar, Apr, May, Jun, Jul,
Aug, Sep, Oct, Nov, Dec). You can use two or four numbers for the year
value. Use commas or slashes to separate parts of the date. Do not use
spaces. If you omit YYYY, the next occurrence of the date (that is,
according to your computer's date and time) is assumed. For example, the
following entries are equivalent if entered between Jan. 10, 1994, and Jan.
8, 1995:
jan,9
1/9/95
january,9,1995
1/9
/fullname:"Name"Specifies a user's full name rather than a user name.
Enclose the name in quotation marks.
/homedir:PathSets the path for the user's home directory. The path must
exist.
/passwordchg:{yes | no}Specifies whether users can change their own
password. The default is yes.
/passwordreq:{yes | no}Specifies whether a user account must have a
password. The default is yes.
/profilepath:[Path]Sets a path for the user's logon profile. This path
points to a registry profile.
/scriptpath:PathSets a path for the user's logon script. Path cannot be an
absolute path. Path is relative to
%systemroot%\System32\Repl\Import\Scripts.
/times:{Day[-Day][,Day[-Day]] ,Time[-Time][,Time[-Time]] [;.] |
all}Specifies the times that users are allowed to use the computer. Time is
limited to 1-hour increments. For the Day values, you can spell out or use
abbreviations (that is, M,T,W,Th,F,Sa,Su). You can use 12-hour or 24-hour
notation for hours. If you use 12-hour notation, use AM and PM, or A.M. and
P.M. The value all means a user can always log on. A null value (blank)
means a user can never log on. Separate day and time with commas, and units
of day and time with semicolons (for example, M,4AM-5PM;T,1PM-3PM). Do not
use spaces when designating times.
/usercomment:"Text"Specifies that an administrator can add or change the
"User comment" for the account. Enclose the text in quotation marks.
/workstations:{ComputerName[,...] | *}Lists as many as eight workstations
from which a user can log on to the network. Separate multiple entries in
the list with commas. If /workstations has no list or if the list is an
asterisk (*), users can log on from any computer.

net help Command
Displays help for the specified net command.
Remarks
Used without parameters, net user displays a list of the user accounts on
the computer. You can also type net users.
A password must satisfy the minimum length set with net accounts /minpwlen.
It can have as many as 127 characters. However, if you are using Windows
2000 or Windows XP on a network that also has computers using Windows 95 or
Windows 98, consider using passwords not longer than 14 characters. Windows
95 and Windows 98 support passwords of up to 14 characters. If your password
is longer, you might not be able to log on to your network from those
computers.
Examples
To display a list of all user accounts for the local computer, type:
net user
To view information about the user account jimmyh, type:
net user jimmyh
To add a user account for Jay Jamison, with logon rights from 8 A.M. to 5
P.M., Monday through Friday (no spaces in time designations), a mandatory
password (jayj), and the user's full name, type:
net user jayj /add /passwordreq:yes
/times:monday-friday,8am-5pm/fullname:"Jay Jamison"
To set johnsw's logon time (8 A.M. to 5 P.M.) using 24-hour notation, type:
net user johnsw /time:M-F,08:00-17:00
To set johnsw's logon time (8 A.M. to 5 P.M.) using 12-hour notation, type:
net user johnsw /time:M-F,8am-5pm
To specify logon hours of 4 A.M. until 5 P.M. on Monday, 1 P.M. until 3 P.M.
on Tuesday, and 8 A.M. until 5 P.M. Wednesday through Friday for marysl,
type:
net user marysl /time:M,4am-5pm;T,1pm-3pm;W-F,8:00-17:00

Jose Manuel Tella Llop
MVP - Windows
(quitar XXX)
http://www.multingles.net/jmt.htm
news://jmtella.com

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You assume all risk for your use.



"David" wrote in message
news:

Saludos a todos

Tengo un script que permite cambiar al usuario de un dominnio su password.
Pero ahora necesito que los usuarios de una máquina local windows xp ,
puedan
cambiar sus passwords por script, es posible esto? , alguien me puede
pasar
un ejemplo hecho?

Muchas Gracias

David