Outlook код ошибки 8 прокси сервер

Microsoft Outlook is a popular email client application used by millions of users all around the world. But sometimes things don’t go well while working with Outlook. Whenever anything goes wrong, you receive an error. There are numerous error messages which appear time to time if there’s any sort of problem in the Outlook client. In this article, we’re going to discuss the Outlook error code 8, troubleshoot it with some common reasons. behind it.

Outlook is unable to connect to the proxy server
Let’s suppose you open Microsoft Outlook on your system. But the Outlook client fails to open. Instead, you receive an error message saying, “Outlook is unable to connect to the proxy server”.

When Outlook tries to connect to the server by using a remote procedure call (RPC) connection or a secure HTTP (HTTPS) connection, you may encounter the error message shown above. You must be wondering the reasons which are highly responsible for this Outlook error message. If you have no idea, let me help you with that.

Most Common Reasons

Below is the list of the highly responsible reasons behind the problem:

• If the connection to the server requires a certification authority, you may receive this error message.
• You haven’t trusted the certification authority at the root.
• The certificate may be invalid or revoked.
• The certificate doesn’t match the name of the site.

How to Troubleshoot Outlook error code 8?

There are some easy methods which you can use for troubleshooting the Outlook error code 8.

Method 1: Check the Certificate

Before you can try anything, you need to examine the certificate. Follow these simple steps to do that:

• First, launch Internet Explorer on the computer. Then connect to the RPC server or any other secure server by typing https://www.server_name.com/rpc in the address bar. Hit Enter.
• You can see a padlock icon located in the lower-right corner of the browser. Double click it.
• Now click the Details tab. Here you need to check the information in these two fields:
Valid to: In this field, you’ll see the date till how long the certificate will be valid.
Subject: Make sure the entry in this field should match the site name.

Method 2: Install Trusted Root Certificate

If the above method fails or doesn’t work, you should try to fix the error code 8 in Outlook by installing the trusted root certificate. Follow these simple steps to do that:
• On the Certificate dialog box, click the Install Certificate. Then click the Next button to continue the process.
• Now click the Place all certificate in the following store check-box. Click the Browse button.
• Click the Trusted Root Certification Authorities, and then click OK. Now click the Next button to continue the process.
• Finally, click Finish and OK.

Method 3: Remove 3rd Party Add-ins

If you’ve tried both the above methods but still receiving the error code 8 in Outlook, maybe the error is associated with the 3rd party add-ins. So it’s better to start the Outlook client in safe mode. Click Start > Run and type outlook.exe/safe, and hit Enter. If the Outlook client starts in safe mode with no problem, the real culprit is any of the 3rd party add-ins you’re using. If there are too many add-ins, it’s always difficult to find the faulty one. So before you can delete any, you should try to disable them one by one. This process may take some time, but you’ll find the faulty add-in which you need to remove from the Outlook client.

Sometimes 3rd party browser add-ins can also cause this issue. So you should try to disable them also to check whether the issue is resolved or not. You can disable the 3rd party browser add-ins in the Internet Explorer.
You may also like to read: Solve Outlook error code 0x80072f06

Conclusion

It’s a bit frustrating to receive error messages while using our favorite email client, Microsoft Outlook. In this article, we’ve discussed one of the most common Outlook error messages, “Outlook is unable to connect to the proxy server (Outlook error code 8)”. The article has explained a few easy methods to troubleshoot this Outlook error.

Fix Outlook Error Code 8- A Complete DIY Approach

Outlook error code 8 is one of the most common errors, which users encounter several times. It indicates that there is an issue related to a security certificate of the proxy server. Sometimes, even, by updating the security certificate this error does not fix. In this post, you will see the proper way to resolve this error in a systematic way.

Or you can fix all Outlook Errors using Outlook PST Recovery.

Outlook Proxy Server Error Code 8 or Not Assigned as Trusted

Outlook is one of the most preferred email client tool, which is used in most of the organization. As it fulfills organization requirement in the form of task manager, contact manager, note-taking, journal, etc. Outlook error is also quite common users. One such common error is Outlook Error Code 8, which appears on the user screen. However, this error appears when Outlook is in offline mode.

“There is a problem with the proxy server’s security certificate. The security certificate is not from a trusted certifying authority. Outlook is not able to connect to the proxy server ….com (Error Code 8).

Symptoms of Error Code 8 are as follows:

• This error frequently appears on the screen
• Your system starts performing slow
• The active Windows programs crashes
•  Your Windows OS starts performing slow to every command

Why this Proxy Certificate Error Code 8 occurs

Whenever security certificates in Exchange server are not purchased from an authentic certification source, this error occurs. Or, might be you have purchased from a trustworthy source but it is not in the local system as a “Trusted Root Certificate Authorities”.

Other Root causes of Outlook Certificate Error are as follows:

• Might be there is inappropriate installation of Outlook.
• Your system is affected by virus or malware
• Or, there is accidental deletion of Outlook data
• Due to frequent changes in MS Outlook, causes issue in Windows registry

How to resolve Outlook Error Code 8 Manually

Follow the below-mentioned approach to fix this error:

• First of all, exit from MS Outlook.
• Now, publish the certificate on the system and trust it.
• And, check if the certificate is already installed or not. And if it is not present in “trusted root certificate authorities”.  Then, you have to click on View Certification.
• Now, install the certificate.
• Also, delete all the unnecessary third-party add-ins.

More Tips to Troubleshoot Outlook Certificate Error

• Firstly, you can run the updated anti-virus on your system
• And, you can also run Windows System File Checker, by giving the command “sfc/scannow”. Follow the below- mentioned procedure:
  1. First of all, Go to Start button, then type command
  2. Now, press and hold Control and shift together. And, hit enter button
  3. A permission dialog box will appear
  4. Now, click on Yes
  5. A black box with a blinking cursor will appear
  6. Type “sfc/scannow” and press on Enter.
  7. This will scan error code 8.
• Also, you can update your PC drivers
• Do the windows system restore
• Fix your Windows registry

In a case, if this proxy certificate error code 8 still persists, then you need to use the Outlook PST file Repair tool, to quickly solve this problem. However, it sometimes totally depends on the severity of the issue.

Conclusion

In this post, you have seen some of the tips and suggestion to fix Outlook Error Code 8. But make sure that you examine and check the installation of security certificates, before applying any techniques to fix this error code 8.

You can also read:

How to fix the error ‘Outlook cannot open the file because it is not associated with the default identity’

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