How to Fix Outlook Error 0x8004102a in Windows 10

Some of the reasons for Outlook error 0x8004102a are mentioned below.

How to Fix Outlook Error 0x8004102a in Windows 10 Method 1: Use Send/Receive Settings Method 2: Manually Synchronize Folders Method 3: Run Microsoft Outlook without Add-Ins Method 4: Enable Use Cached Exchange Mode Method 5: Re-add Outlook Account Method 6: Add Account to New Profile Method 7: Disable Certificate Verification Check Method 8: Repair .pst and .ost Files Method 9: Repair Outlook Application Method 10: Update Outlook Application Method 11: Create New Windows User Profile

This error can occur due to changes in the account credentials Incorrect Send/Receive settings in Outlook Various Outlook Add-Ins Disabled Cached Exchange Mode The Outlook error can also be caused by the Certification Verification Check Corrupted .pst and .ost files are one of the major reasons for this Outlook error Corrupted Outlook program or outdated Outlook program

A very common cause for the Outlook error 0x8004102a is incorrect Outlook credentials. You can easily fix this error by checking for any account settings that might have been changed. Mostly, this error can be resolved by fixing the credentials.  The following guide will give you methods to resolve the Outlook send and receive error.

Method 1: Use Send/Receive Settings

The 0x8004102a error interferes with the send and receives settings of your Outlook account; this will lead to troubles in sending and receiving mail. You can try to resolve Outlook send receive not working issue by checking the send/receive settings.

  1. Press the Windows key, type Outlook, then click on Open.

  2. Locate and click on the Send/Receive drop-down button.

  3. Click on Send/Receive All. Note: You can also use the F9 key to use Send/Receive option.

  4. Wait for the sync to complete. This method will most likely fix Outlook send receive error, if not, move on to the next method. Also Read: How to Turn On Microsoft Outlook Dark Mode

Method 2: Manually Synchronize Folders

To resolve Outlook error 0x8004102a, try to manually synchronize the folder. Follow the steps below.

  1. Open the Outlook app as shown in Method 1.

  2. Locate and click on the Send/Receive drop-down button.

  3. Navigate to Send/Receive Settings and click on Define Send/Receive Groups….

  4. In the Send/Receive Group dialog box click on the New button. Note: You can also press the Ctrl + Alt + S keys simultaneously to open Send/Receive Groups dialog box.  

  5. Enter a desired name for the new group and click on OK.

  6. Check the box before Include the selected accounts in this group. 

  7. In Account Options ensure to check the boxes before Send mail items and Receive mail items.

  8. Under the Folder Option select the folder that you want to include in Send/Receive option.

  9. Click on OK to confirm changes. 

  10. Click on Close to exit the Send/Receive Groups dialogue box.

Method 3: Run Microsoft Outlook without Add-Ins

Often outlook send receive not working errors are caused by the Add-Ins in Outlook; you can avoid this error by running Microsoft Outlook in safe mode. 

  1. Press the Window + R keys simultaneously to open the Run dialog box.
  2. Type Outlook.exe /safe and hit the Enter key to launch Outlook in safe mode.

Also Read: Fix Outlook App Won’t Open in Windows 10

Method 4: Enable Use Cached Exchange Mode

You can try to fix Outlook send receive error by using the cached exchange mode feature.

  1. Launch the Outlook app.

  2. From the Outlook menu options click on File.

  3. Navigate to the Info tab, and click on the Account Settings drop-down.

  4. Click on Account Name and Sync Settings. 

  5. In the Exchange Account Setting window click on More Settings.

  6. Navigate to the Advanced tab. Check the box before Use Cached Exchange Mode.

  7. Click on Apply and then OK.

  8. Finally, re-launch the Microsoft Outlook application.

Method 5: Re-add Outlook Account

Often outlook error 0x8004102a is caused by account issues, you can fix this error by simply removing your account from Outlook and then re-adding it. 

  1. Open the Microsoft Outlook.

  2. Navigate to Tools.

  3. Click on Account Settings.

  4. Click on the Remove button.

  5. Confirm the removal of account by clicking on Yes.

  6. Click on New to again add the account.

Check if Outlook error 0x8004102a still persists or not. Also Read: Fix Outlook Password Prompt Reappearing

Method 6: Add Account to New Profile

Outlook send receive not working error can be fixed by adding your Outlook account to a new profile using the Control Panel.

  1. Press Windows key, type Control Panel and click on Open.

  2. Set View by > Large icons, then click on Mail setting.

  3. In the Profiles tab, click on Show Profiles.

  4. Click on the Add button.

  5. Give your New Profile a name and click OK.

  6. Click on the new profile, select the Always use this profile option.

  7. Click on Apply > OK to save the changes. Finally, open Outlook and add the new profile. 

Method 7: Disable Certificate Verification Check

Many users were able to resolve the issue by disabling the server and publisher certificate verification check.

  1. Press the Windows + R keys together to launch the Run dialog box.

  2. Type control /name Microsoft.InternetOptions and hit the Enter key to open Internet Properties.

  3. Here, navigate to the Advanced tab.

  4. Scroll down through settings and locate Security.  

  5. Locate and uncheck the Check for Publisher’s certificate revocation and Check for server certificate revocation.

  6. Then, click on Apply > OK to save changes.

Also Read: Fix Outlook Stuck at Loading Profile on Windows 10

Method 8: Repair .pst and .ost Files

The .pst and .ost files store the data for POP3 and IMAP accounts respectively; if either of these files somehow gets corrupted you may find Outlook Error 0x8004102a. You can fix this error by repairing these files.

  1. Launch the Microsoft Outlook app.

  2. Navigate to Tools.

  3. Click on Account Settings.

  4. Navigate to the Data Files tab.

  5. Copy the personal folder file location.

  6. Close MS Outlook.

  7. For MS Outlook 2007 navigate to the following location path.

  8. Locate and open the SCANPST.exe file.

  9. Click the Browse button to Enter the name of the file that you want to scan.

  10. Locate the file by pasting the location noted in step 5.

  11. Click Start to run the scan.

  12. If SCANPST.exe finds an error, click Repair to start the fix.

  13. Wait for repair to complete and open Outlook. This method is an effective method to fix Outlook send receive error, if the trouble with Outlook send receive not working continues for you, try the next method.

Method 9: Repair Outlook Application

If the previous method does not work and you continue to receive the error, you can try to repair the Outlook application.

  1. Launch the Run dialog box.

  2. Here, type appwiz.cpl and hit the Enter key to open Programs and Features.

  3. Locate and right-click on Microsoft Office Enterprise 2007 and click Change.

  4. Select Repair and Continue.

  5. Wait for the repair to finish and open Outlook.  

Method 10: Update Outlook Application

Outlook error 0x8004102a error can be fixed by updating the Outlook application. Follow the below steps to update your Outlook.

  1. Open the Outlook app from Windows Search bar.

  2. Click on File from the top menu options.

  3. Select the Office Account from the left-hand side menu.

  4. Click on Update Options.

  5. From the drop-down menu choose Update Now.

  6. Wait for the updates to finish installing the system. Also Read: How to Turn Outlook Email Read Receipt On Off

Method 11: Create New Windows User Profile

If none of the above-mentioned methods works, you can try to fix Outlook error 0x8004102a by creating a new Windows user profile.

  1. Hit the Windows + I keys together to open Settings.

  2. Click on Accounts setting.

  3. From the left-side menu, click on Family & other users.

  4. Locate Other people options, and click on Add someone else to this PC.

  5. Enter credentials in Create an account for this PC and click on Next.

Q1. How to fix send and receive errors on Outlook?  Ans. There are multiple ways to fix the send and receive errors on Outlook; often, the error can be resolved by simply changing the credentials in Outlook. Q2. What is send/receive error on Outlook? Ans. Send/Receive error is a common error in Outlook; this error occurs when users can’t send or receive mails through Outlook. Q3. How do I change my user profile on Outlook? Ans. You can change the user profile by using the Outlook utility in Control Panel. Recommended:

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We hope this guide was helpful to you and you were able to fix Outlook error 0x8004102a. Let us know which method worked for you. If you have any suggestions or queries please write them in the comment section.

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