Contact and Distro Groups Migration
I've been migrating exchange 2010 to Exchange 2013 and I understand that all contacts and distro groups get migrated to Exchange 2013 automatically. While on the Exchange 2013 server I had to update an email address for a contact. After doing so the system ask me to upgrade the contact. Do I have to upgrade all contacts this way? Is there  a script that upgrades all contacts and distro groups as required?
May 6th, 2015 4:31pm

Try this command.

Get-MailContact -ResultSize Unlimited | Set-MailContact -ForceUpgrade

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May 6th, 2015 8:36pm

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