503 Service Unavailable error is the HTTP status code (HTTP status code), which means that the site's server is temporarily down. This error occurs because the server is too 'busy' or the site is under maintenance.
503 error message can be customized according to the website or server software that created it, so users will see different 503 error messages. Here are some common 'service unvailable' error messages:
503 Service Unavailable errors can occur with any web browser in any operating system including Windows 10 returning to Windows XP, macOS, Linux, etc. . even smartphones or non-transfer computers other system. Error 503 Service Unavailable displayed inside the browser window.
Note: The website using Microsoft IIS may provide more specific information about the cause of 503 Service Unavailable error by adding a number after 503 code, for example HTTP Error 503.2 - Service Unavailable, this number means is the limit for processing concurrently excessively.
How to fix 503 Service Unavailable
503 Service Unavailable error is server-side error, which means that the problem often occurs with the site's server. Your computer may have problems that cause 503 errors. Here are some ways to fix 503 Service Unavailable errors.
1. Retry the URL from the address bar again by clicking the reload / refresh button or press F5 or Ctrl + R.
Although the 503 Service Unavailable error occurs when there is a problem on another computer, the problem is temporary so reloading the page can fix this error.
Note : If the 503 Service Unavailable error message appears while making an online purchase payment, you should not pay multiple times because you may be charged multiple times. Most payment systems and some credit card companies have a protection system in such cases, contact them for detailed information and avoid unfair deductions.
2. Restart the router and modem, then restart the computer or device. Take measures to fix this 503 error if you see 'Service Unavailable - DNS Failure' error message.
Although 503 error is often caused by the error of the website being accessed, there may be a problem with configuring the DNS server on the router or computer and this error can be easily corrected with a simple device restart operation. .
Tip: If the device is reset, the 503 DNS Failure error cannot be corrected, possibly due to a temporary problem with DNS servers. In this case, select a new DNS server and change them on the computer or router.
3. Another option is to contact the website directly for help, inform the site's admin to check the problem. Most websites have social network accounts and some sites even provide phone numbers and email addresses.
Tip: If the site has 503 error is one of the popular pages and you can perform a search on Twitter with #websitedown syntax, replace the website with the site name, like #facebookdown or #youtubedown, you will see a lot discuss that site on Twitter.
4. Return to using that site at another time. Because 503 Service Unavailable error is a common error on websites when a large amount of user traffic (that is, you) is "overwhelming" the servers, just wait over that time you will access normal website. In fact, this is the most common way to fix 503 errors. When more and more visitors leave the site, the server is 'open', you will be able to access the site.
How to fix 503 error on your website
There are many reasons why services are not available so fixing this 503 error is not easy. Try restarting running processes to see if the problem is fixed. In addition, consider things like connection limits, bandwidth regulation, overall system resources, fail-safe safety techniques that are activated, etc. However, it often happens. 503 Service Unavailable error means getting more traffic. Is that good news?
In case of another 503 error
In Windows applications that access directly to the Internet, the 503 error is usually accompanied by an HTTP_STATUS_SERVICE_UNAVAIL error and with the Service service is temporarily overloaded (Service is temporarily overloaded ).
Windows Update may also report an HTTP 503 error but it will display as an error code 0x80244022 or with the message WU_E_PT_HTTP_STATUS_SERVICE_UNAVAIL.
Some of the less common error messages include 503 Over Quota and Connection Failed (503) , but troubleshooting is the same. If the error message 503 website occurs while running Microsoft IIS web server software, you may receive a more specific error message as one of the following errors:
503.0
Application pool unavailable.
503.2
Over limit concurrent request.
503.3
Full ASP.NET queue
The errors are the same as the 503 Service Unavailable error
503 Service Unavailable error is server-side error and therefore related to other server errors such as 500 Internal Server Error, 502 Bad Gateway, 504 Gateway Timeout and some other errors. There are some HTTP client status codes like 404 Not Found error and some other codes.
See also: Common computer errors and remedies (Part 1)
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