The PowerShell command Get-ADGroup is part of the Active Directory PowerShell module. Go to this article if you want to know how to install it.
To search effectively for groups in your Active Directory, you should use the Filter switch. Don’t extract all groups and then search the result set.
Use Get-ADGroup -Filter to search directly for improved performance.
Understand the Get-ADGroup Filter Parameter
With the many various filtering options available (LDAP filtering, oData v3.0 filtering, etc.), the filter switch often causes some confusion.
The filter switch used in the Get-ADGroup command uses the PowerShell expression language in the query string.
For example, this is different than, e.g., when using the Get-AzureADGroup command (which uses oData v3.0 filtering)!
The following operators should cover most of your needs:
|-eq||Equal to||Name -eq “G.U.Marketing”|
|-ne||Not equal to||GroupType -ne “-2147483640”|
|-gt||Greater than||Modified -gt “01-06-2021”|
|-ge||Greater than or equal||Created -ge “01-01-2018”|
|-lt||Less than||Modified -lt “01-02-2021”|
|-le||Less than or equal||Created -le “01-01-2018”|
|-like||Wildcard search||extensionAttribute1 -like “*”|
|-notlike||Wildcard search with negation||Name -notlike “Exchange*”|
|-and||And||Name -like “G.U.*” -and Name -like “*legal*”|
|-or||Or||Name -like “*marketing*” -or Name -like “*legal*”|
Please notice the following in the above examples:
- Enclose the compared value(s) in apostrophes
- Use -like ‘*’ and -notlike ‘*’ to find empty or non-empty values
Below you have some code snippets that should point you in the right direction on how to structure your filters for your Get-ADGroup search queries:
Get-ADGroup -Filter 'Name -eq "G.U.Marketing"'
Get-ADGroup -Filter 'GroupType -ne "-2147483640"'
Get-ADGroup -Filter 'Modified -gt "01-06-2021"'
Get-ADGroup -Filter 'Created -ge "01-01-2018"'
Get-ADGroup -Filter 'Modified -lt "01-02-2021"'
Get-ADGroup -Filter 'Created -le "01-01-2018"'
Get-ADGroup -Filter 'extensionAttribute1 -like "*"'
Get-ADGroup -Filter 'Name -notlike "Exchange*"'
Get-ADGroup -Filter 'Name -like "G.U.*" -and Name -like "*legal*"'
Get-ADGroup -Filter 'Name -like "*marketing*" -or Name -like "*legal*"'
Using Get-ADGroup with the Filter option lets you easily retrieve the group objects you need. This feature is very nice for report building or doing bulk changes.
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