Remove-ExMembersFromDistributionGroups.ps1

#Requires -Version 4.0

<#
    .SYNOPSIS
        Connect to Microsoft Exchange Server and removes members from the Universal distribution groups
    
    .DESCRIPTION  

    .NOTES
        This PowerShell script was developed and optimized for ScriptRunner. The use of the scripts requires ScriptRunner. 
        The customer or user is authorized to copy the script from the repository and use them in ScriptRunner. 
        The terms of use for ScriptRunner do not apply to this script. In particular, AppSphere AG assumes no liability for the function, 
        the use and the consequences of the use of this freely available script.
        PowerShell is a product of Microsoft Corporation. ScriptRunner is a product of AppSphere AG.
        © AppSphere AG

    .COMPONENT       
        ScriptRunner Version 4.x or higher

    .LINK
        https://github.com/scriptrunner/ActionPacks/tree/master/Exchange/DistributionGroups

    .Parameter GroupObjectIds
        Specifies the Alias, Display name, Distinguished name, Guid or Mail address of the Universal distribution groups to which to removes members

    .Parameter GroupIds
        Specifies the Alias, Display name, Distinguished name, Guid or Mail address of the Universal distribution groups to removes from the Universal distribution groups

    .Parameter UserIds
        Specifies the Alias, Display name, Distinguished name, Guid or Mail address of the mailboxes to removes from the groups
#>

param(
    [Parameter(Mandatory = $true)]
    [string[]]$GroupObjectIds,
    [string[]]$GroupIds,     
    [string[]]$UserIds
)

#Clear
    try{
        $Script:result = @()
        $Script:err =$false
        $Script:addGrp
        $Script:usr
        forEach($gid in $GroupObjectIds){
            try{
                $grp = Get-DistributionGroup -Identity $gid 
            }
            catch{
                $Script:result += "Error: GroupObjectID $($gid) $($_.Exception.Message)"
                $Script:err =$true
                continue
            }
            if($null -ne $grp){
                if($null -ne $GroupIds){
                    forEach($itm in $GroupIds){
                        try{
                            $Script:addGrp=Get-DistributionGroup -Identity $itm
                        }
                        catch{
                            $Script:result += "Error: GroupID $($itm) $($_.Exception.Message)"
                            $Script:err =$true
                            continue
                        }
                        if($null -ne $Script:addGrp){
                            try{
                                Remove-DistributionGroupMember -Identity $gid -Member $itm -BypassSecurityGroupManagerCheck -Confirm:$false -ErrorAction Stop
                                $Script:result += "Group: $($Script:addGrp.DisplayName) removed from Distribution group $($grp.DisplayName)"
                            }
                            catch{
                                $Script:result += "Error: GroupID $($itm) $($_.Exception.Message)"
                                $Script:err =$true
                                continue
                            }
                        }                
                    }
                }
                if($null -ne $UserIds){
                    forEach($itm in $UserIds){
                        try{
                            $Script:usr = Get-Mailbox -Identity $itm 
                            if($null -eq $Script:usr){
                                $Script:usr=Get-MailUser -Identity $itm -ErrorAction Stop
                            }
                        }
                        catch{
                            $Script:result += "Error: UserID $($itm) $($_.Exception.Message)"
                            $Script:err =$true
                            continue
                        }
                        if($null -ne $Script:usr){
                            try{
                                Remove-DistributionGroupMember -Identity $gid -Member $itm -BypassSecurityGroupManagerCheck -Confirm:$false -ErrorAction Stop
                                $Script:result += "User: $($Script:usr.DisplayName) removed from Distribution group $($grp.DisplayName)"
                            }
                            catch{
                                $Script:result += "Error: UserID $($itm) $($_.Exception.Message)"
                                $Script:err =$true
                                continue
                            }
                        }
                    }
                }
            }
            else {
                $Script:result += "Universal distribution group $($gid) not found"
                $Script:err =$true
            }
        }
        if($SRXEnv) {
            $SRXEnv.ResultMessage = $Script:result
            if($Script:err -eq $true){
                Throw $($Script:result -join ' ')
            }
        } 
        else{    
            Write-Output $Script:result 
        }
    }
    Finally{
     
    }