Do you get the error message stating ‘Outlook is unable to connect to the proxy server’? It is irritating right. It is like a blank experience for novice users as they have no idea how to deal with in this situation. So, if you are one of them then don’t worry as here all tips and tricks are available. Users have to follow these instructions carefully.
The Outlook is known for its best services, low maintenance, and tight security features. Still, it is vulnerable to errors. Although Outlook can fix these errors, few of them are hard to deal with. One of them is an Exchange server’s error “Outlook unable to connect to proxy server”.
This article will cover all the information in brief. So, one can understand the cause and the procedures easily.
Try manual tricks if Outlook is unable to connect to the proxy server
Users can use these manual approaches to fix this issue. These are –
Method 1: Firstly Inspect the certificate
If the Outlook is unable to connect with the proxy server due to disabled certificate. Then, users are advised to use this procedure to inspect the expiry date and other valid information. For this, users have to inspect the certificate. Moreover, to fix the issue users should connect to the system administrator. They can check this by using the steps given below.
- Firstly, go to the Microsoft Internet Explorer and try to contact the RPC server. Then, tap on the ENTER.
- After that, double-tap on the padlock icon (located in the lower side of the right corner of the Web browser).
- Next, tap on the Details tab and write down or observe the information from the following fields.
- Valid to: This Valid to field simply signifies the time duration until the certificate is valid or justifiable.
- Subject: The data available in the Subject field should be exactly similar to the site name.
These two things decide the validity of a user’s certificate. If it is correct, then it is Correctly updated. If not, then the user has to alter changes in the site name.
Method 2: Appoint or Install the Trusted Root Certificate
It is used for error messages such as “the proxy server you have specified is invalid”. Or, the security certificate is not from a valid certifying authority, etc. To avoid these types of messages use these steps he can appoint the trusted root certificate:
- First, go to the Certificate dialogue box and then tap on the Install Certificate >> Next.
- Now, tap on the ‘Place all certificate in the following store’ checkbox >> Browse.
- Next, hit on the Trusted Root Certification Authorities >> tap on OK.
- At last, press Next >> Finish >> OK.
Method 3: Put the disable mode on the Third-party Add-in
This method is used to disable the third-party browser add-in if the user receives an error message.
- The first step is to launch Microsoft Outlook in safe mode to get rid of the issue. For this, tap on Start >> Run >> Type outlook.exe /safe >> hit OK.
- If MS Outlook opens in the safe mode, then it means that there is an issue with the third-party add-in.
- Inspect the third-party COM add-ins and turn them off. Users can use these given steps.
- Tap on the Options in the File tab >> snap-on Add-Ins.
- Redirect to COM Add-ins in the Manage box >> hit on Go.
- Empty the checkbox present next to the third-party add-ins that were disabled before.
- Then, again start MS Outlook.
So, these are the manual approaches that will be useful to the users for fixing the issues. In case it’s not, then the issue can be in the Outlook file. Outlook PST or OST can be corrupted because of malware infection. If the PST files get corrupt, then it will be difficult for the user to access their PST file.
Professional Approach:
If users are not interested in the above approaches. Then, they can use the third-party tool to fix the issue” Outlook is unable to connect to the proxy server”. Users can use the PST Repair to recover the corrupt PST files. The utility bears PST Files that are generated by MS Outlook versions 2016, 2013, 2010, 2007, 2003, 2002, etc.
Why is the proxy server you have specified is invalid?
Some of the reasons that result in error “Outlook unable to connect to proxy server” are –
- While connecting to the server, the connection asks for a certification authority.
- If the user unable to take help of certification authority at the root
- When the certificate is invalid
- If the site name doesn’t match with the name in the certificate
- Either the third-party add-in or a third-party browser add-in is blocking the access due to corrupt Outlook file.
Final words
By this blog, users will know the procedure to fix the error – Outlook is unable to connect to the proxy server. This blog contains all the information regarding this issue such as reasons, manual, and alternative solutions. Users are free to use any desired solution. If they want a quick and smooth procedure, they can try the alternative tool.
