Troubleshooting Microsoft Outlook Error Code 0x80040115

Key Notes

  • Common triggers for Error 0x80040115 include large PST files and corrupted installations.
  • Clearing the DNS cache can resolve connection issues.
  • Replicating the issue in Safe Mode helps identify problematic add-ins.

Troubleshooting Microsoft Outlook Error 0x80040115: A Step-by-Step Guide

Encountering the Outlook error code 0x80040115 can disrupt your email communication. This guide provides effective solutions to help you resolve this issue and get back to sending and receiving emails seamlessly.

How to Resolve Microsoft Outlook Error 0x80040115

To address Outlook Error 0x80040115, follow these methodical instructions:

Step 1: Clear the DNS Cache

A misconfigured Domain Name System (DNS) can trigger this error. Here’s how to clear your DNS cache:

  • Open the Command Prompt as an administrator.
  • Enter the following command and press Enter:

ipconfig /flushdns

  • Close the Command Prompt and check if the error still exists.

Step 2: Start Outlook in Safe Mode to Diagnose Add-in Issues

To determine if any add-ins are contributing to the issue, start Outlook in Safe Mode:

Launching Outlook in Safe Mode

  • Press Windows+R to open the Run dialog.
  • Type Outlook /safe and hit Enter.
  • Choose your Outlook profile when prompted, then click OK.
  • Once Outlook is open, attempt to send an email.

If the issue is resolved, a conflicting add-in may be the culprit. Proceed to identify and remove any problematic add-ins.

Identify and Remove Add-ins

  • Open Outlook normally.
  • Click on File and choose Options.
  • In the Outlook Options window, select the Add-ins section.
  • Disable all third-party add-ins present.

Restart Outlook and check if this resolves the issue.

Step 3: Modify Profile Settings

Updating your profile settings may clear the error:

  • Access the Control Panel and set the ‘View by’ option to ‘Large icons.’
  • Click on the Mail option.
  • In the Mail Setup window, go to the Profiles section and click Show Profiles.
  • Select your profile and click on Properties.
  • Then click the E-mail Accounts button.
  • Select your email account, click Change, followed by More Settings.
  • In the Security tab, ensure the option to Encrypt data between Microsoft Office Outlook and Microsoft Exchange is checked.
  • Click OK to save changes, then restart Outlook.

Step 4: Repair Outlook Installation

If Outlook was improperly installed, this can lead to the error:

  • Right-click the Windows icon and select Apps and Features.
  • Locate Microsoft Outlook in the list.
  • Select it and click Modify.
  • In the Office troubleshooter window, select Quick Repair. Wait for the process to finish. If issues persist, choose Online Repair.

After completing these steps, check if the error remains.

Summary

Resolving the Outlook error code 0x80040115 involves diagnosing potential causes, clearing the DNS cache, launching Outlook in safe mode to address add-in conflicts, modifying profile settings, and repairing the Outlook installation. Following these steps can significantly help restore functionality.

Conclusion

By understanding the causes of Outlook Error 0x80040115 and applying the suggested troubleshooting methods, you can resolve your email sending issues effectively. If problems persist, consider reaching out to technical support for further assistance.

FAQ (Frequently Asked Questions)

What does error code 0x80040115 mean?

It indicates that Microsoft Outlook cannot contact the server to send out emails, often due to network issues or conflicts within the application.

How can I prevent Outlook error 0x80040115 in the future?

Regularly maintain your Outlook installation, keep your PST files compact, limit the number of active add-ins, and ensure a stable internet connection.