Added an app on SharePoint development server. It installed successful but when run it gives an error
DNS Lookup failed. System.Net.Sockets.SocketException No such host is known
How to resolve it?
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What steps did you follow to set up your app domain? Part of that procedure should have been configuring a separate domain for apps, so if your SharePoint box is:
Perhaps the app domain would be something like:
Then, in DNS, you would need a wildcard record so that all of the following would resolve to the ip address of the SharePoint box:
abc.mycompanyapps.com xyz.mycompanyapps.com anyRandomStringOfCharacters.mycompanyapps.com
And, if SP is running on SSL, then the app domain should be configured for SSL as well.