10 Instant Methods to Fix Outlook Error 0x8004210a POP Server Timeout

Summary: Many users on daily basis send queries related to different Outlook errors they are facing and ask for guidance. One such issue is Outlook error 0x8004210a. If you are facing the same problem, then you are landed in the right place. Here, you will get all the solutions to fix the Outlook 0x8004210a issue. We will guide you and provide the best available manual solutions to resolve this problem. Moreover, we have also mentioned a software named PST Data Recovery Tool for fast recovery. Download Now   Purchase Now

MS Outlook is the most popular email client-server, which provides email services to its clients. You can save your data on the central repository of the Outlook Server and can access it from anywhere in the world. This central repository is Exchange Server. Exchange Servers act as a central repository, which receives messages from client applications and creates or maps a path to send that message to the designated receiver. This process is all about sending and receiving. Sometimes the process of sending and receiving get interrupted due to some reasons and create Outlook error 0x8004210a and exceptions, which make us inconvenient. You can also read this post to solve fatal Error 823 Occurred in MS SQL Server.

So without wasting time let’s dig into the roots of the issue and plug the stump of the POP Server Timeout error.

Why does Error 0x8004210a occur?

This Outlook error could be because of several reasons like:

  • Antivirus could be scanning for malicious entities in your mail items.
  • Windows firewall settings could be generating conflicts.
  • Your Bad internet connection could also be a reason.
  • The wrong configuration of the Exchange Server can be a problem also.
  • Suspicious emails could be a reason for the server timeout error.

How to Solve Outlook Error 0x8004210a?

To resolve Outlook send and receive errors there are various manual methods available over the web. I’ve listed and illustrated some of the effective measures to troubleshoot error 0x8004210a. Given below are some manual techniques to solve the Outlook error.

Method 1: Turn off the Antivirus Add-on

Antiviruses tend to detect malicious entities, but sometimes there are some files that are not malicious but their format seems malicious to antivirus. In order to save our system from these entities, antivirus tries to restrict an operation which leads to the send and receive Outlook error 0x8004210a. So just turn off the antivirus mail add-on and retry to connect to the server to solve the server timeout error.

Method 2: Remove the restriction of the firewall from Outlook

A firewall is an intrusion detection system, which validates the authorized and trusted network to connect through our system. It works as a barrier between our system and the untrusted external network. To solve error 0x8004210a, just provide unrestricted access to Outlook and again try to connect.

Method 3: Remove Suspicious mail item

We can achieve this by moving those mail items to trash that are on Hold. As a result, it is possible that you will remove suspicious mail items and be able to solve Outlook error 0x8004210a.

Method 4: Change Server Timeout Intervals

This process is completed by increasing the time period of Server timeout intervals. To Increase the timeout, all you need is to follow the below steps.

  • Launch Outlook and click on File and soon you will get a menu. Choose Account Settings from it.
  • Choose the affected mail account and click on the Change button.
  • Now, you need to click on More Settings.
  • You will get a dialog box named Internet E-mail Settings. Now Click on the Advanced tab.
  • You are good to increase the server timeout as per your need.

Method 5: Run Outlook in Safe Mode

In the Run tab, type outlook.exe /safe, It will tell you that, is Send and Receive is working or not. If it creates an issue, that means there is any faulty/damaged outlook add-in.

Method 6: Recreate Outlook Profile

Sometimes the problem is with our mail account. It is possible that the Outlook account is corrupt in that case you should try to remove the old outlook account and create a new Outlook account and check for the problem if it doesn’t exist then there is a problem with your account. To create a new outlook profile you have to follow the below paradigm:

Control Panel > Mail > E-mail Account > Target Account > Remove > Add Account >Follow the instructions for reading the Account.

Method 7: Use Windows Repair for Outlook

To repair conflicts related to windows applications, Microsoft has a feature in Operating System, which can be used to repair the software installed over the system. For doing so you have to follow some easy steps to fix Outlook error 0x8004210a.

  • Launch Control Panel.
  • Select Uninstall Programs.
  • On the next window choose Microsoft Office. Then click on the Change button.
  • In the up next window, select the Repair radio button and click on Continue.

Method 8: Check your Data Connection

There could be a network problem that is approaching the timeout error 0x8004210a. It is possible that your system is not connected to the internet. You should also try a check for the Internet connection if it’s not connected try to resolve the connectivity issue first to fix error 0x800421a.

Method 9: Using Scanpst.exe to Repair Outlook file

Moreover, We can also use the inbuilt inbox repair tool Scanpst.exe to resolve this Outlook error. Following are the steps you need to follow to repair files of Outlook:

  • Search Scanpst on your browser and open the utility on your system.
  • Browse and select the Outlook file you want to repair and hit on Start.

It will repair your Outlook profile. However, kindly note that Scanpst is not appropriate to solve major damage issues. This utility only repairs minor damages. To fix highly damaged files, check the following method.

Method 10: Employing PST Recovery Tool to solve Outlook error 0x8004210a

Finally, the last technique we have is a professional tool named PST Data Recovery Tool. This utility can solve all the errors related to PST files of any size and is best for Outlook email recovery. It fixes corrupt PST data like Emails, Calendars, Contacts, Tasks, etc. Additionally, this utility runs smoothly on all Windows OS versions. This software can recover highly damaged PST files and encrypted files without data loss. If you also want some information regarding Outlook error 0x80070021 and its solutions, go through the mentioned post.

Follow the Steps to Solve the Server Timeout Error

  • Firstly, download the advanced PST Recovery Tool.
  • Then, choose the PST file you need to repair and opt for the preferred Scanning Mode.
  • After that, review the files and attachments in the tree layout.
  • Now click on save to proceed further.
  • Pick the saving format, select other features, and click OK.
  • Finally, your PST files are recovered.

Final Words

If still, you are facing the same MS Outlook Server Timeout Error. Then there is a chance that your PST file is corrupt. I have shared all the possible manual methods and a professional approach for repairing corrupt PST. In the final analysis, I recommend using an automated utility to repair PST files with ease. I hope you adore the handout and found the best ways for Outlook error 0x8004210a.

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About The Author:

Mithilesh Tata is a technical expert who has assisted thousands of clients with Microsoft Outlook and other cloud-based email clients. He enjoys writing on email clients backup as well as email migration. He is always excited about giving troubled readers the most up-to-date knowledge, explanation, and user-friendly solutions.

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