How to fix the 503 Service Unavailable error

When trying to load some pages, you might suddenly receive a 503 Service Unavailable error in anyone of the following formats:
HTTP Server Error 503“503 Service Unavailable”
“503 Service Temporarily Unavailable”
“HTTP Server Error 503″
“Service Unavailable – DNS Failure”
“Error 503 Service Unavailable”

Well, it is commonly an HTTP status code telling you that the web site’s server is simply not available right now or there are some unexpected errors on your machine. But you can try these steps to see whether they work to display your desired URL properly.

When cannot visit multiple websites because of a Service Unavailable error message, retry the URL from the address bar again by clicking the reload/refresh button or pressing F5 immediately. The error might be probably only temporary and sometimes just trying the page again will work.

Sometimes, a huge increase in traffic by visitors can overwhelm the servers and stop you from visiting it correctly by displaying a 503 Service Unavailable error message. You can try to come back later again if fail to access it no matter how many retries you have ever tried. This is because as more and more visitors leave the website, the chances of a successful page will be loaded for you.

Fourthly, an error with your computer’s or router’s DNS server configurations can also bring in the appearance of the Service Unavailable error message. After the two above solutions, restart your router and then your computer, and then reload the page again to see whether you are able to access them properly.

Fifthly, delete cookies and other site data. The data includes your browsing and download history, cache, cookies, passwords, and saved form data on the web browser can sometimes bring in the appearance of the 503 Service Temporarily Unavailable or error 403 access denied message. You can directly use the “Clear browsing data” dialog to delete all your data or just a portion of your data, and stop the happening of the connection error.
*Click the wrench icon on the browser toolbar.
*Select Tools and select Clear browsing data.
*In the appearing dialog, select the checkboxes for the types of information you want to remove.
*Then, you can use the menu at the top to select the amount of data which you want to get rid of and then custom the time range.
*Click Clear browsing data.

Sixthly, you still need to check and repair computer registry errors. Why it is so important is that the Windows registry is a very important aspect of Windows-based operating system. And all the vital settings & information of your hardware & software are all stored here to the computer when and how to do when your computer sends out a request. This way, no matter whenever you install a program, it will automatically add the corresponding entries to this database. However, when something goes wrong to this database, the computer and the installed programs will act abnormally by showing kinds of computer error messages, or even stop working. If the web browser cannot locate the required entries to display your desired page correctly, you will soon get a 503 Service Unavailable error message or some other messages when accessing the web pages. However, after fixing the registry errors you can immediately get rid of these errors and make the computer & all installed programs work properly without errors.

If you have followed all the above steps but still failing to access the needed pages, contact the webmaster immediately. It is possible that an error within the website itself is preventing you from visiting it successfully. By the way, the best way to find a website’s contact information is usually through a WHOIS search by using the domain name as your search term.

After these steps, I believe you should know how to fix the 503 Service Unavailable error and visit your needed pages correctly. Wish you enjoy your online life all the time!