"Access to localhost was denied" while trying to open default IIS site in browser

T Crha 381 Reputation points

recently I deployed an Exchange 2016 server with mailbox role. When I try to configure IIS so it is ready to host Exchange web services, I am unable to select in site bindings:

Also when I attempt to open a localhost website, I get following error:

There is clearly something wrong with the server NIC configuration, or the IIS itself, but I am unable to find out what exactly. Anyone has any ideas on what to check? Why cant I select localhost IP ( in IIS site bindings?

Thank you

Internet Information Services
Exchange Server Management
Exchange Server Management
Exchange Server: A family of Microsoft client/server messaging and collaboration software.Management: The act or process of organizing, handling, directing or controlling something.
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  1. T. Kujala 8,706 Reputation points

    Hi @T Crha ,

    Have you verified that the Exchange Back End site is not listening the http port?

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  2. T Crha 381 Reputation points

    I dont think so - heres how the backend site looks like:

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