We have a SharePoint 2013 enviroment were we are unable to upload JS file to a an asset library from client machine, while it work ok if we upload from inside the server.
How can we resolve the issue?
Error From SP Designer
Could not find a web server at www.thedomain.com on port 80. Please check to make sure that the web server name is Valid and your proxy settings are set correctly. If you are sure that everything is correct, the web server may be Temporarily out of service.
Error from web Browser
Something went wrong
This error is random and it worked also in some rare case. This issue is specially with JS file and HTML with JS. It works ok with text file.