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Powershell Active Directory - User and Group

Recently I needed to find out if a user was in an Active Directory Group.

The group contained more than 5000 entries, so using Get-ADGroupMember wasn't useful (it timed out)

The following command worked well for me...

get-adgroup "GroupName" -Properties Member | Select-Object -ExpandProperty Member | get-aduser |
 Where-Object {$_.SamAccountName -eq "username"}

 For small groups, and for full member lists it's as simple as 

 Get-ADGroupMember groupname 

Getting the actual AD details can be performed with powershell with the following

get-aduser -Filter 'GivenName -like "FirstName*" -and Surname -like "LastName*"'

 or, if you know the SamAccountName...

 get-aduser SamAccountName


To list the groups that an account belongs to 
Get-ADPrincipalGroupMembership username | select name

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