Opening Exchange 2016 ECP url defaults to Windows Admin center

To access the Exchange 2016 admin center while your mailbox is on an older version, append the string ?ExchClientVer=15.1 to your url.

The access to Exchange ECP/EAC is performed through https://exchange.domain.com/ecp , assuming the FQDN pointing to Exchange 2016.

Verify the ECP URL: Ensure that the URL you are using to access the ECP is correct and matches the URL configured in IIS. You can check this ...

內部URL：根據預設，此值包含Exchange 伺服器的FQDN (完整功能變數名稱) ，格式 https://<ServerFQDN>/ecp 為。 例如， https://mailbox01.contoso.com/ecp 。

To access the EAC in a web browser on the Exchange server itself, you can use the value https://localhost/ecp . External URL: By default, this ...

The Exchange 2016 ECP redirect to Exchange 2010 ECP is happening because the administrator mailbox is on an Exchange 2010 mailbox database.

The solution to Access the Exchange Admin Center (Exchange 2016 or 2013) is using the URL like this, appending (?ExchClientVer=15.1):

Once you have a load balancer setup, you can create to virtual servers, one for external access and another for internal users. It's a simple ...

I have installed a new Exchange 2016 as part of migration and the ECP panel doesn't load via https://localhost/ecp or via https://servername/ecp on the server.

You should always use the full FQDN address of the server (see the example below). https://exchangeserver.domain.local/ecp. You need to ...