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Update-DistributionGroupMember

Use the Update-DistributionGroupMember cmdlet to replace all members of distribution groups and mail-enabled security groups. Exchange PowerShell reference

From the Exchange PowerShell reference 6 parameters Its page in the reference

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Parameters

6 in the Exchange PowerShell reference
-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.
-MembersThe Members parameter specifies the recipients (mail-enabled objects) that replace the current group members.
-WhatIf, -wiThe WhatIf switch shows what the command does without making any changes.