CmdID / PowerShell / Cmdlets / Remove
Remove-DistributionGroupMember
Use the Remove-DistributionGroupMember cmdlet to remove a single member from distribution groups or mail-enabled security groups. Exchange PowerShell reference
From the Exchange PowerShell reference 6 parameters Its page in the reference
Parameters
-IdentityThe Identity parameter specifies the distribution group or mail-enabled security group that you want to modify.-BypassSecurityGroupManagerCheckThe BypassSecurityGroupManagerCheck switch specifies whether to allow a user who isn't an owner of the group to modify or delete the group.-Confirm, -cfThe Confirm switch specifies whether to show or hide the confirmation prompt.-DomainControllerThe DomainController parameter specifies the domain controller that's used by this cmdlet to read data from or write data to Active Directory.-MemberThe Member parameter specifies the recipient that you want to remove from the group.-WhatIf, -wiThe WhatIf switch shows what the command does without making any changes.