Replace Primary Mail Address on Group

Replace Primary Mail Address on Group.ps1

#Instructions for both O365 Groups and Distribution Lists

#For O365 Groups:
#1.a Find specific group name. Replace put group name here with the name of the group.
Get-UnifiedGroup -Identity "put group name here" | Select Name,@{Name="NameLength";Expression={$_.name.length}}, EmailAddresses, Alias, ServerName, AccessType

#1.b List all groups with names. 
Get-UnifiedGroup | Select Name,@{Name="NameLength";Expression={$_.name.length}}, EmailAddresses, Alias, ServerName, AccessType

#2. Add mail address. Replace put group name here with the name of the group. Replace putmail address here with the new mail address.
Set-UnifiedGroup -Identity "put group name here" -EmailAddresses: @{Add ="put mail address here"}

#3. Replace primary address. Replace put group name here with the name of the group. Replace putmail address here with the new mail address.
Set-UnifiedGroup -Identity "put group name here" -PrimarySmtpAddress "put mail address here"


#For Distribution Groups:
#Same but Get-DistributionGroup and Set-DistributionGroup