Powershell count members of a AD group

Question

RECIEVED AN EXAMPLE I COULD USE AND CORRECTED CODE  My current question is how to count amount of members in a group versus printing out all members of a group  which includes their ID name or PC name   The commented out code prints each member  I just want to count them   I ve tried  members count   member count and  string count in my foreach loop but nothing prints out  Please help  Import-Module ActiveDirectory   pathEmpty    C  Temp groupsEmpty txt   Clear-Content  pathEmpty   Header      Group ID Name             Display Name             Description             Members     Write out the header  Header   Out-File  pathEmpty -Append    emptys   get-adgroup -properties name  displayname  description  members -filter  name -like  WA   -or name -like  workstation         Select name  displayname  description  members  foreach   empty in  emptys     clears previous   members      foreach   member in  empty members           string    member substring 3  member indexof     -3        members    members          string      string count       listing     empty Name            empty DisplayName            empty Description            members   listing   Out-File  pathEmpty -Append     I made an edit based on Alex McKenzie s comment  The initial example you gave me made issues   I tried adding some edits to it but I get a error  Cannot validate argument on parameter  Identity   The argument is null or empty  Supply an argument that is not null or empty and then try  the command again   foreach   empty in  emptys     clears previous   members      foreach   member in  empty members            string    member substring 3  member indexof     -3        members    members          string      if  member -eq  null            users   0               else           users    Get-ADGroupMember -Identity      DistinguishedName   Count           users count             Below is my finished code  I just made separate  txt files for each things I needed and will just separately import them into excel  QUESTION FIXED  Import-Module ActiveDirectory                                                                              This Section involves filtering WA groups and retriving their information  In the info section  aka Notes section  is very important to look  over if groups require approvals or not                                                                               pathAll    C  Temp groupsEALL txt   Clear-Content  pathALL   Header      Group ID Name             Description             Notes Field            Members     Write out the header  Header   Out-File  pathALL -Append    emptys   get-adgroup -properties name  description  members  info -filter  name -like  WA   -or name -like  workstation         Select name  description  members  info  foreach   empty in  emptys      clears previous   members      foreach   member in  empty members            users    Get-ADGroupMember -Identity  member DistinguishedName  Count      string    member substring 3  member indexof     -3       members    members          string        listing     empty Name            empty Description            empty Info            members   listing   Out-File  pathALL -Append                                                                      This next section will determine the member count in the groups                                                                     pathCount    C  Temp Groupcount txt  Clear-Content  pathcount   groups   Get-ADGroup -filter   name -like  WA    -or  name -like  workstation     foreach  group in  groups     initializing   countUser          countUser     get-Adgroup  group -properties members  members  count    The group    group Name  has  countUser user s      Out-File  pathCount -Append     I add a counter in original script if I want it to get count as well  foreach   empty in  emptys      clears previous   members       initialize member counting  count   0 foreach   member in  empty members           counts how many members      count    1      countSum    The group    group Name  has  count user s         string    member substring 3  member indexof     -3       members    members          string           listing     empty Name            empty Description             empty Info            empty info            members          countSum   listing   Out-File  pathALL -Append

User · Answer

Try    group   Get-ADGroup -Identity your-group-name -Properties     group members   count   This worked for me for a group with over 17000 members

User · Answer

How about this   Get-ADGroupMember  Group name    measure-object   select count

User · Answer

Every response has missed one detail   What if the group only has 1 user    count     get-adgroupmember  group  count   Put the command in the     wrapper so that the result is an array no matter what  so even if it is 1 item  you get a count

User · Answer

If you cannot utilize the ActiveDirectory Module or the Get-ADGroupMember cmdlet  you can do it with  the LDAP  in chain -matching rule    GroupDN    CN MyGroup OU Groups DC mydomain DC tld   LDAPFilter      amp  objectClass user  objectCategory Person  memberOf 1 2 840 113556 1 4 1941   GroupDN       Ideally using an instance of adsisearcher here  Get-ADObject -LDAPFilter  LDAPFilter   See MSDN for additional LDAP matching rules implemented in Active Directory

User · Answer

The Get-ADGroupMember cmdlet would solve this in a much more efficient way than you re tying   As an example    users   Get-ADGroupMember -Identity  Group Name   users count 132   EDIT   In order to clarify things  and to make your script simpler  Here s a generic script that will work for your environment that outputs the user count for each group matching your filters    groups   Get-ADGroup -filter   name -like  WA    -or  name -like  workstation     foreach  group in  groups      countUser    Get-ADGroupMember  group DistinguishedName  count   Write-Host  The group    group Name  has  countUser user s

User · Answer

users   Get-ADGroupMember -Identity  Client Services  -Recursive    users count   The above one-liner gives a clean count of recursive members found  Simple  easy  and one line

User · Answer

In Powershell  you ll need to import the active directory module  then use the get-adgroupmember  and then measure-object     For example  to get the number of users belonging to the group  domain users   do the following   Import-Module activedirecotry Get-ADGroupMember  domain users    Measure-Object   When entering the group name after  Get-ADGroupMember   if the name is a single string with no spaces  then no quotes are necessary     If the group name has spaces in it  use the quotes around it   The output will look something like    Count      12345 Average    Sum        Maximum    Minimum    Property     Note - importing the active directory module may be redundant if you re already using PowerShell for other AD admin tasks

User · Answer

easy way to do it  To get the actual user count    ADInfo   Get-ADGroup -Identity   lt groupname gt   -Properties Members  AdInfo Members Count   and you get the count easily  it is pretty fast as well for 20k  users too

User · Answer

Something I d like to share      adinfo members actually give twice the number of actual members    adinfo member  without the  s   returns the correct amount   Even when dumping  adinfo members  amp   adinfo member to screen outputs the lower amount of members   No idea how to explain this

[powershell] Powershell: count members of a AD group

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