I'm running Exchange 2010 SP1. I have internet publishing for calendars setup and the ability to "publish calendar" is available to the users with the appropriate sharing policy.
I have published calendars with both Public and Restricted access levels. On both sets, I sent the internet share links to myself and have tried to access them from outside the corporate network. When attempting to use any of the links (either HTML web view or ICS subscription) for either of the calendars (Public with its readable URL or Restricted with the obscure URL) I am taken to the OWA login form.
The login form URL does show the redirect target of the calendar page, but that completely obliterates the desire to be able to publicly share these calendars. We want anonymous internet users to be able to open an ICS file and subscribe to our calendar.
How can I get the published calendars to just open without first dropping the internet user into our Exchange server's OWA login page?
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This video shows how to quickly and easily add an email signature for all users on Exchange 2016. The resulting signature is applied on a server level by Exchange Online.
The email signature template has been downloaded from: