Fix "http/1

The ‘http/1.1 service unavailable’ error occurs when your computer is not connecting to lớn the backend of the website. This error prevents you from accessing the trang web entirely. It can be because your computer’s or the website’s network settings are not configured properly.

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In some cases, simply giving it some time can be an effective solution. However, there are some solutions you can try from your over to make sure the error is not related khổng lồ your PC. Stick with us khổng lồ know more about how you can fix this issue.

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How to lớn Fix the “http/1.1 Service Unavailable” Error?Fix WordPress Service Unavailable Error

Possible Causes of the Error

The ‘service unavailable’ error is usually server related and appears when there are more traffic requests than the server can handle. Apart from this, there are also other probable causes for this issue.

Bad DNS configurationMalware and virusPoor mạng internet connectionWrong date and timeConflicting website browser cache

How to Fix the “http/1.1 Service Unavailable” Error?

If it is a server-side issue, it’ll probably get resolved on its own after some time. When all the traffic is dealt with và the server load decreases, the web page will be back lớn normal. As such, the first few fixes detail what you can vì chưng to fix it on the backend, whereas the rest detail what you can vì chưng as a normal user.

Fix WordPress Service Unavailable Error

The issue usually automatically resolves with time after the website traffic becomes normal. This may also occur if your web vps can’t communicate with the PHP scripts properly.

Try disabling the scripts one at a time until you find the unresponsive script. You can use the FTP client to change the settings. Here’s another solution you can try to lớn solve the issue :

Deactivate Conflicting WordPress Plugins

Some plugins can cause conflict with the website. You can disable them by following these steps.

Open the WordPress root thư mục and look for the public directory.Search and click on the wp-content directory.It will contain a folder named ‘Plugins.’You can either change the name of this folder to disable all plugins at once. Or you can also go into this thư mục and rename individual plugins.

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This will cause the hệ thống to not recognize the plugin at all. Try renaming them khổng lồ something easily recognizable.

Check Application Crash Logs

The HTTP error may happen if the server itself has crashed and cannot take any requests. You can kiểm tra your application and system’s logs in the sự kiện Viewer program to kiểm tra the cause of that crash.

Normally, the most probable cause is a highly busy website. The default maximum requests queue is 1000. If the server reaches this capacity, it will show users a ‘service unavailable’ error.

Troubleshoot Netscaler Reachability

If you’re facing this error when accessing the Unified Gateway, the following steps will be helpful:

The first step is lớn include a service. Then showroom storefront vps to it.Use multiple monitors lượt thích the tcp-default or icmp to chạy thử for possible connection and port issues.Allow the Storefront IP through the firewall for port 443.Go to lớn storefront settings và Match the port and protocol with the Unified Gateway configuration.Input this expression in the content switch policy of Unified Gateway if it’s missing.HTTP.REQ.URL.PATH.SET_TEXT_MODE(IGNORECASE).STARTSWITH("/Citrix/STORE_NAME")

Run Windows Troubleshooter

The windows troubleshooter can pinpoint a problem and fix the issue automatically. It is divided into specific categories of the computer so you can easily figure out the issue.

Press Win + I to lớn go khổng lồ settings. Click on Update và Security.Click troubleshoot on the left panel & then go lớn ‘Additional troubleshooters.’Navigate to Internet Connections and click on Run the troubleshooter.


You can also auto-set the date và time of your computer by turning on the ‘Set time automatically.’ However, if your date and time settings are reset every time you restart your PC, you need lớn replace your CMOS battery.

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