Here is a quick tip for Exchange Admins working in an Exchange 2010/2013 Coexistence Environment.

When you launch the Exchange Admin Center, https://mail.domain.com/ecp and you login, you will be presented with the Exchange 2010 ECP page and not your Exchange 2013 EAC page.

To get round this, you need to add a piece to the URL so it takes you there directly.

Instead of using the following:

  • https://mail.domain.com/ecp

Rather use:

  • https://maildomain.com/ecp/?ExchClientVer=15

You can now be sure that you will hit the Exchange 2013 EAC page and be able to administer your servers.

Hope it helps.

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