Resolving Outlook Send/Receive Error 0x8004102A: Troubleshooting Guide

  • July 4, 2023
  • Written by:
  • James
  • Reading Time: 8 minutes

If you are having trouble with Outlook Send/Receive error 0x8004102A, then you have come to the right place. This error can prevent you from sending or receiving messages in Outlook but it is not difficult to fix. In this article, we will provide an easy guide to help you troubleshoot and resolve this Outlook error 0x8004102A so that you can get back to using your email as quickly as possible. So let’s get started!

What is How Outlook Error 0x8004102a?

Outlook Error 0x8004102a is a common issue that occurs when synchronizing Outlook with an email account. It usually indicates a problem with the Outlook data file or the server connection. This error can prevent you from sending or receiving emails.

How to Fix Outlook Error 0x8004102a

1. Verify Your Internet Connection:

The first step in troubleshooting this error is to ensure that your internet connection is stable and functioning correctly. Check if you can access other websites or online services. If your internet connection is unstable, resolve the issue before proceeding.

2. Restart Outlook and Your Computer:

Sometimes, the Outlook error 0x8004102a can be caused by temporary glitches in the Outlook application. Try closing Outlook completely and reopening it. This simple restart can often resolve temporary issues and restore normal functionality.

3. Disable Add-ins:

Conflicting or outdated add-ins can cause synchronization issues and trigger Outlook error 0x8004102a. To disable add-ins in Outlook:

  • Launch Outlook and go to “File” > “Options.”
  • In the Options window, select “Add-ins” from the sidebar.
  • Under “Manage,” choose “COM Add-ins” and click on the “Go” button.
  • Uncheck all the add-ins and click “OK.”
  • Restart Outlook and observe if the error is resolved.

4. Update Outlook:

Ensure that you have the latest updates and patches installed for your Outlook version. Microsoft regularly releases updates that address known issues and improve the performance and stability of the application. Check for updates and install them if available.

5. Check Server Settings and Security Software:

Ensure that your server settings are correctly configured and up to date. Consult with your email service provider for the appropriate server settings, such as incoming and outgoing server addresses, port numbers, and encryption methods. Additionally, check if any security software or firewall settings are blocking Outlook’s access to the email server.

6. Clear offline Outlook data:

Outlook maintains an offline cache of your mailbox to enable offline access. However, this cache can sometimes become corrupted, leading to synchronization errors. To fix this, close Outlook and navigate to the Outlook data folder. Locate and delete the .ost file associated with your email account. Restart Outlook, and it will automatically rebuild the offline cache.

7. Repair the Outlook Data File:

The Outlook data file, also known as the PST (Personal Storage Table) file, may become corrupted or damaged, leading to synchronization errors. To repair it, follow these steps:

  • Exit Outlook and open the Control Panel on your computer.
  • Click on “Mail” or “Mail (32-bit)” and then select “Data Files.”
  • Choose the data file associated with the email account facing the error and click on “Open Folder Location.”
  • Locate the PST file, right-click on it, and choose “Properties.”
  • In the Properties window, click on the “Advanced” button, followed by “Outlook Data File Settings.”
  • Click on “Compact Now” to initiate the file repair process.
  • Once the process completes, reopen Outlook and check if the error persists.

8. Create a new Outlook profile:

If the error persists, creating a new Outlook profile can often resolve the problem. This step helps rule out any profile-specific issues. Consult your email service provider’s documentation or contact their support for the correct email server settings. Then, create a new profile in Outlook and reconfigure your email account with the updated settings.


Outlook Send Receive Error 0x8004102A can be frustrating, but with the troubleshooting steps outlined in this guide, you can resolve the issue and restore proper email synchronization in Microsoft Outlook. Remember to check your internet connection, restart Outlook, update the application, verify server settings, clear offline data, repair Outlook data files, and create a new profile if necessary. If the problem persists, don’t hesitate to seek assistance from 3citcians Support or your email service provider’s technical support team for further guidance.

Related: Outlook Send Receive errors 0x8004060c, 0x80040115, 0x800ccc0f, 0x800CCC0E

Written By

  • James
  • My name is David Wayne, and I work as a technical support specialist for the online industry. In the last 7 years, I have fixed a variety of email issues, such as Outlook server errors, Outlook send receive errors, Outlook working offline problems and etc. So if you are facing these types of problems, please do not hesitate to contact us without any hesitation.

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