command line - PowerShell Remove all users from a specific group -

command line - PowerShell Remove all users from a specific group -

i'm trying clean users local grouping test_group executing next command below on windows 2008 r2 standard, powershell 2.0.

get-adgroupmember "test_group" | foreach-object {remove-adgroupmember "test_group" $_ -confirm:$false}

it throws next error, because i'm using v2.0?:

the term 'get-adgroupmember' not recognized name of cmdlet, function, script file, or operable program. che ck spelling of name, or if path included, verify path right , seek again. @ line:1 char:18 + get-adgroupmember <<<< "test_group" | foreach-object {remove-adgroupmember "test_group" $_ -confirm:$false} + categoryinfo : objectnotfound: (get-adgroupmember:string) [], commandnotfoundexception + fullyqualifiederrorid : commandnotfoundexception

i tried many ideas article , comments, , couldn't work i'm not sysadmin , i'm not sure if i'm not missing something?: http://blogs.technet.com/b/heyscriptingguy/archive/2009/07/28/hey-scripting-guy-how-do-i-remove-all-group-members-in-active-directory.aspx

please help, have around 300 groups clean on mon , don't want manually...

not sure if if typo or how running command should get-adgroupmember

get-adgroupmember "test_group" | foreach-object {remove-adgroupmember "test_group" $_ -confirm:$false}

that worked me had refresh aduc ou see alter though

edit

import activedirectory module first seek , run command.

import-module activedirectory get-adgroupmember "test_group" | foreach-object {remove-adgroupmember "test_group" $_ -confirm:$false}

powershell command-line active-directory