Velocity Technical Archive
If you just installed Exchange 2013 and you have an Exchange 2010 mailbox you cannot access EAC you get the old ECP management
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If you just installed Exchange 2013 and you try to go to http://ServerName/ecp you'll notice that you get the old Exchange 2010 interface and cannot manage your Exchange 2013 server. There is a simple fix for this just simply use the following url syntax.\nhttps://ServerName/ecp?ExchClientVer=15\n