AzureM365GroupManagement.psm1
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# https://docs.microsoft.com/microsoft-365/admin/create-groups/manage-creation-of-groups function Set-M365GroupCreationAllowedGroup { <# .SYNOPSIS Configures the allowed group that can create Microsoft 365 Groups. .DESCRIPTION Configures the allowed group that can create Microsoft 365 Groups. Groups are identified by ObjectId or Name. .PARAMETER DisplayName The full name of the group in Azure Active Directory. (Required) .PARAMETER ObjectId The Group or ObjectId of the group in Azure Active Directory (e.g. fd4ec70a-274a-4c23-9c47-5dbc1a69c342). (Required) .EXAMPLE Set-M365GroupCreationAllowed Group -DisplayName "Allowed M365 Group Creators" This example uses the name of the group to configure the allowed group setting. .EXAMPLE Set-M365GroupCreationAllowed Group -ObjectId fd4ec70a-274a-4c23-9c47-5dbc1a69c342 This example uses the group or objectId of the group to configure the allowed group setting. #> [CmdletBinding( DefaultParameterSetName = 'DisplayName', SupportsShouldProcess, ConfirmImpact = 'Medium' )] param( [Parameter(Mandatory, ParameterSetName = 'DisplayName')] [string] $DisplayName, [Parameter(Mandatory, ParameterSetName = 'ObjectId')] [string] $ObjectId ) if (!(Test-GroupUnifiedDirectorySetting)) { Write-Warning -Message "No Group.Unified Directory Setting currently exists. Run New-GroupUnifiedDirectorySetting to create Group.Unified directory setting first." RETURN } if ($PSBoundParameters.ContainsKey("DisplayName")) { $groupFound = Get-AzureADGroup -SearchString $DisplayName switch ($groupFound.Count) { 0 { Write-Error -Message "No Azure AD groups match the name $DisplayName. Please try again."; RETURN } 1 { $groupFoundId = $groupFound.ObjectId; break } 2 { Write-Error -Message "Multiple Azure AD Groups found matching $DisplayName. Please try again."; RETURN } Default { Write-Warning -Message "Something else went wrong with $DisplayName."; RETURN } } } if ($PSBoundParameters.ContainsKey("ObjectId")) { try { $groupFound = Get-AzureADGroup -ObjectId $ObjectId -ErrorAction STOP } catch { Write-Error -Message "Unable to find a group matching $ObjectId" RETURN } $groupFoundId = $groupFound.ObjectId } $groupUnifiedObject = Get-AzureADDirectorySetting | Where-Object -Property DisplayName -EQ -Value "Group.Unified" $groupUnifiedObject["GroupCreationAllowedGroupId"] = $groupFoundId try { if ($PSCmdlet.ShouldProcess($groupFoundId)) { Set-AzureADDirectorySetting -Id $groupUnifiedObject.Id -DirectorySetting $groupUnifiedObject -ErrorAction STOP Get-GroupUnifiedDirectorySettings } } catch { Write-Error -Message "Error enabling Group.Unified Azure AD Directory Setting: $($_.Exception)" RETURN } } # End of Set-M365GroupCreationAllowedGroup function Remove-M365GroupCreationAllowedGroup { <# .SYNOPSIS Clears the group setting for the group that is allowed to create Microsoft 365 Groups. .DESCRIPTION Clears the group setting for the group that is allowed to create Microsoft 365 Groups. .EXAMPLE Remove-M365GroupCreationAllowedGroup This example clears the allowed group setting for any group configured to create Microsoft 365 Groups. #> [CmdletBinding( SupportsShouldProcess, ConfirmImpact = 'Medium' )] param() if (Test-GroupUnifiedDirectorySetting) { $groupUnifiedObject = Get-AzureADDirectorySetting | Where-Object -Property DisplayName -EQ -Value "Group.Unified" $currentGroupId = $groupUnifiedObject.Values | Where-Object -Property 'Name' -EQ 'GroupCreationAllowedGroupId' | Select-Object -ExpandProperty Value $groupUnifiedObject["GroupCreationAllowedGroupId"] = "" try { if ($PSCmdlet.ShouldProcess($currentGroupId, 'Clearing GroupCreationAllowedGroupId')) { Set-AzureADDirectorySetting -Id $groupUnifiedObject.Id -DirectorySetting $groupUnifiedObject -ErrorAction STOP Get-GroupUnifiedDirectorySettings } } catch { Write-Error -Message "Error clearing GroupCreationAllowedGroupId Azure AD Directory Setting: $($_.Exception)" RETURN } } else { Write-Warning -Message "No Group.Unified Directory Setting currently exists. No changes being made." } } # End of Remove-M365GroupCreationAllowedGroup function Enable-M365GroupCreation { <# .SYNOPSIS Configures Microsoft 365 Group creation to True. .DESCRIPTION Configures Microsoft 365 Group creation to True. This allows all users in the tenant to create Microsoft 365 Groups. .EXAMPLE Enable-M365GroupCreation This example configures Microsoft 365 Group creation to True. #> [CmdletBinding( SupportsShouldProcess, ConfirmImpact = 'Medium' )] param() if (Test-GroupUnifiedDirectorySetting) { $groupUnifiedObject = Get-AzureADDirectorySetting | Where-Object -Property DisplayName -Value "Group.Unified" -EQ $groupUnifiedObject["EnableGroupCreation"] = "True" try { if ($PSCmdlet.ShouldProcess('EnableGroupCreation', 'Setting value to True')) { Set-AzureADDirectorySetting -Id $groupUnifiedObject.Id -DirectorySetting $groupUnifiedObject -ErrorAction STOP Get-GroupUnifiedDirectorySettings } } catch { Write-Error -Message "Error enabling Group.Unified Azure AD Directory Setting: $($_.Exception)" RETURN } } else { Write-Warning -Message "No Group.Unified Directory Setting currently exists. Run New-GroupUnifiedDirectorySetting to create Group.Unified directory setting first." RETURN } } # End of Enable-M365GroupCreation function Disable-M365GroupCreation { <# .SYNOPSIS Configures Microsoft 365 Group creation to False. .DESCRIPTION Configures Microsoft 365 Group creation to False. This prevents users in the tenant from creating Microsoft 365 Groups. .EXAMPLE Disable-M365GroupCreation This example configures Microsoft 365 Group creation to False. #> [CmdletBinding( SupportsShouldProcess, ConfirmImpact = 'Medium' )] param() if (Test-GroupUnifiedDirectorySetting) { $groupUnifiedObject = Get-AzureADDirectorySetting | Where-Object -Property DisplayName -Value "Group.Unified" -EQ $groupUnifiedObject["EnableGroupCreation"] = "False" try { if ($PSCmdlet.ShouldProcess('EnableGroupCreation', 'Setting value to False')) { Set-AzureADDirectorySetting -Id $groupUnifiedObject.Id -DirectorySetting $groupUnifiedObject -ErrorAction STOP Get-GroupUnifiedDirectorySettings } } catch { Write-Error -Message "Error enabling Group.Unified Azure AD Directory Setting: $($_.Exception)" RETURN } } else { Write-Warning -Message "No Group.Unified Directory Setting currently exists. No changes being made." } } # End of Disable-M365GroupCreation function Set-M365GroupUsageGuidelinesUrl { <# .SYNOPSIS Configures the URL for the Group Usage Guidelines. .DESCRIPTION Configures the URL for the Group Usage Guidelines. .PARAMETER URL The URL to configure as the Group Usage Guidelines. Should be a properly formatted HTTP URL. (Required) .EXAMPLE Set-M365GroupUsageGuidelinesUrl -URL "https://guidelines.jeffbrown.tech" This will set the Group Usage Guidelines URL to http://guidelines.jeffbrown.tech. #> [CmdletBinding( SupportsShouldProcess, ConfirmImpact = 'Low' )] param ( [Parameter(Mandatory)] [string] $URL ) if (Test-GroupUnifiedDirectorySetting) { $groupUnifiedObject = Get-AzureADDirectorySetting | Where-Object -Property DisplayName -EQ -Value "Group.Unified" $groupUnifiedObject["UsageGuidelinesUrl"] = $URL try { if ($PSCmdlet.ShouldProcess('UsageGuidelinesUrl', "Configuring $URL")) { Set-AzureADDirectorySetting -Id $groupUnifiedObject.Id -DirectorySetting $groupUnifiedObject -ErrorAction STOP Get-GroupUnifiedDirectorySettings } } catch { Write-Error -Message "Error enabling Group.Unified Azure AD Directory Setting: $($_.Exception)" RETURN } } else { Write-Warning -Message "No Group.Unified Directory Setting currently exists. Run New-GroupUnifiedDirectorySetting to create Group.Unified directory setting first." } } # End of Set-M365GroupUsageGuidelinesUrl function Remove-M365GroupUsageGuidelinesUrl { <# .SYNOPSIS Removes the URL for the Group Usage Guidelines. .DESCRIPTION Removes the URL for the Group Usage Guidelines. .EXAMPLE Remove-M365GroupUsageGuidelinesUrl This example removes the URL for the Group Usage Guidelines. #> [CmdletBinding( SupportsShouldProcess, ConfirmImpact = 'Medium' )] param() if (Test-GroupUnifiedDirectorySetting) { $groupUnifiedObject = Get-AzureADDirectorySetting | Where-Object -Property DisplayName -EQ -Value "Group.Unified" $currentURL = $groupUnifiedObject["UsageGuidelinesUrl"] $groupUnifiedObject["UsageGuidelinesUrl"] = "" try { if ($PSCmdlet.ShouldProcess('UsageGuidelinesUrl', "Removing $currentURL")) { Set-AzureADDirectorySetting -Id $groupUnifiedObject.Id -DirectorySetting $groupUnifiedObject -ErrorAction STOP Get-GroupUnifiedDirectorySettings } } catch { Write-Error -Message "Error enabling Group.Unified Azure AD Directory Setting: $($_.Exception)" RETURN } } else { Write-Warning -Message "No Group.Unified Directory Setting currently exists. No changes being made." } } # End of Remove-M365GroupUsageGuidelinesUrl function Test-GroupUnifiedDirectorySetting { <# .SYNOPSIS Tests for the existence of a Group.Unified Directory Setting. .DESCRIPTION Tests for the existence of a Group.Unified Directory Setting. This is an internal function to the module and should not be exported. .OUTPUTS System.Boolean .EXAMPLE Test-GroupUnifiedDirectorySetting This example tests for the existence of a Group.Unified Directory Setting and returns $true or $false. #> [CmdletBinding()] [OutputType('System.Boolean')] param () $foundGroupUnified = Get-AzureADDirectorySetting | Where-Object -Property DisplayName -EQ -Value "Group.Unified" if ($null -eq $foundGroupUnified) { RETURN $false } else { RETURN $true } } # End of Test-GroupUnifiedDirectorySetting function Get-GroupUnifiedDirectorySettings { <# .SYNOPSIS Displays the current Group.Unified Directory Settings. .DESCRIPTION Displays the current Group.Unified Directory Settings. .EXAMPLE Get-GroupUnifiedDirectorySettings This example displays the current Group.Unified Directory Settings #> [CmdletBinding()] param () try { $groupUnifiedObject = (Get-AzureADDirectorySetting | Where-Object -Property DisplayName -EQ -Value "Group.Unified" -ErrorAction STOP).Values if ($null -eq $groupUnifiedObject) { Write-Warning -Message "No Group.Unified Directory Setting currently exists. Run New-GroupUnifiedDirectorySetting to create Group.Unified directory setting first." RETURN } $groupUnifiedObject } catch { Write-Error -Message "Error getting Group.Unified Azure AD Directory Setting: $($_.Exception)" } } # End of Get-GroupUnifiedDirectorySettings function New-GroupUnifiedDirectorySetting { <# .SYNOPSIS Creates a new Azure AD Directory Setting using the Group.Unified template. .DESCRIPTION Creates a new Azure AD Directory Setting using the Group.Unified template. .EXAMPLE New-GroupUnifiedDirectorySetting Creates a new Azure AD Directory Setting using the Group.Unified template. #> [CmdletBinding( SupportsShouldProcess, ConfirmImpact = 'Medium' )] param() if (Test-GroupUnifiedDirectorySetting) { Write-Warning -Message "Group.Unified directory setting already exists." RETURN } else { try { Write-Verbose -Message "Creating new Azure AD Directory Setting using Group.Unified template" if ($PSCmdlet.ShouldProcess('Group.Unified', 'Creating new directory setting')) { $template = Get-AzureADDirectorySettingTemplate | Where-Object -Propert DisplayName -EQ -Value "Group.Unified" $newDirectorySetting = $template.CreateDirectorySetting() New-AzureADDirectorySetting -DirectorySetting $newDirectorySetting } } catch { Write-Error -Message "Error creating Group.Unified Azure AD Directory Setting: $($_.Exception)" } } } # End of New-GroupUnifiedDirectorySetting function Remove-GroupUnifiedDirectorySetting { <# .SYNOPSIS Removes the Group.Unified Directory Setting in Azure AD. .DESCRIPTION Removes the Group.Unified Directory Setting in Azure AD. This will remove any control or settings around Microsoft 365 Groups. .EXAMPLE Remove-GroupUnifiedDirectorySetting This example will remove the Group.Unified Directory Setting in Azure AD. #> [CmdletBinding( SupportsShouldProcess, ConfirmImpact = 'High' )] param() if (Test-GroupUnifiedDirectorySetting) { $groupUnifiedObject = Get-AzureADDirectorySetting | Where-Object -Property DisplayName -EQ -Value "Group.Unified" if ($PSCmdlet.ShouldProcess('Group.Unified', 'Removing existing directory setting')) { Remove-AzureADDirectorySetting -Id $groupUnifiedObject.Id } } else { Write-Warning -Message "No Group.Unified Directory Setting currently exists. No changes being made." } } # End of Remove-GroupUnifiedDirectorySetting |