I have installed SP 2013 SP1 on my development server and Central Admin was created successfully. But when I navigate to the Central Admin or any web application url[root site collection & other sites] am getting the below error:

Unknown Host -Unable to locate the server named "Server1" .The server does not have DNS entry Error.Perhaps there is a misspelling in the server name, or the server no longer exists. Double-check the name and try again.

My OS is Windows Server 2012 R2.


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You should add a DNS entry for SharePoint server. For more detailed information, you could refer to the article below.

The article below is about adding a New DNS Host Record in Windows Server 2012 DNS Server.


if you have a DNS entry and then if you face the same error, then try below option,

Please un-check proxy tick from internet options --> Connections --> LAN Settings --> Use a proxy server.

It worked for me

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