Fixing Microsoft Outlook Error Code 0x80040115

Numerous users have encountered the issue identified by the error code 0x80040115 while attempting to send emails via Microsoft Outlook. This particular code hinders the sending of emails, merely depositing them into the sent folder. Commonly, a bloated. PST (Personal Storage Table) file and a compromised Outlook installation contribute significantly to this error. In addition, a weak internet connection and interference from third-party add-ins can also lead to this problem.

This error typically presents the message: “We can’t complete this because we can’t contact the server right now.”If you’re experiencing a similar situation, we’ve compiled several effective methods to rectify the error code.

What Triggers Outlook Error 0x80040115 on Windows 11/10?

The Outlook Error 0x80040115 is a common problem that can stem from several underlying factors, including:

• A corrupted installation of Outlook may prompt the error to occur.
• An oversized PST file, which contains your records and messages, can also trigger this issue.
• Third-party add-ins, if used in conjunction with Outlook, might contribute to the problem.
• A malfunctioning internet connection can lead to the failure of email sending, potentially taking time to resolve.

How to Resolve Microsoft Outlook Error 0x80040115

You can follow the outlined methods below to address the Error 0x80040115:

1. Clear the DNS Cache

A misconfiguration in DNS can result in the appearance of the Error 0x80040115. Clearing the DNS cache is known to help rectify this issue. Follow these steps to perform the DNS flush:

• Launch the Command Prompt with administrator privileges.
• In the command prompt window, input the following command and press Enter:

ipconfig /flushdns

• After the flush process, close the command window and verify whether the problem persists.

2. Start Outlook in Safe Mode to Diagnose Add-in Issues

As previously noted, third-party add-ins may cause the Error 0x80040115. Starting Outlook in safe mode allows you to determine whether any add-ins are causing this error. Here’s how you can do it:

Launching Outlook in Safe Mode

• Press Windows+R to bring up the Run dialog.
• Type Outlook /safe into the box and hit Enter.
• Select your profile when prompted and click OK.
• Once Outlook opens, check if you can send emails successfully.

If the error is resolved, it is likely due to a conflicting add-in. Identify and remove any problematic add-ins.

Identify and Remove Add-ins

• Open Outlook.
• Click on File and then select Options.
• In the Outlook Options window, click on the Add-ins tab located on the left.
• Disable all currently installed third-party add-ins.

Restart Outlook and check if the error has been rectified.

3. Modify Profile Settings

Adjusting the profile settings is another effective method to resolve the Error 0x80040115. Follow these instructions:

• Open the Control Panel and ensure that the ‘View by’ setting is configured to ‘Large icons.’
• Select the Mail option.

• In the Mail Setup window, navigate to the Profiles section and click on Show Profiles.
• Highlight your Outlook profile and click on the Properties button.
• Then, click the E-mail Accounts button.
• Select your email account, then choose Change followed by More Settings.
• In the Security tab, ensure that Encrypt data between Microsoft Office Outlook and Microsoft Exchange is checked.
• Click OK to save your changes.
• Restart Outlook and check if the error has been resolved.

4. Repair Outlook Installation

An improper installation of Outlook may also cause the Error 0x80040115. Consequently, repairing your Outlook installation could rectify the error. Here are the steps to do so:

• Right-click on the Windows icon and select Apps and Features.
• Scroll through the right pane and locate Microsoft Outlook.
• Click on it and choose Modify.
• Select Quick Repair in the Office troubleshooter window. Wait until the process completes. If the issue continues:
• Select Online Repair.

After the troubleshooting process, see if the error is resolved.

What Does Microsoft Outlook Do?

Microsoft Outlook is a sophisticated application designed for personal information management. It is included in the Microsoft Office suite and enables users to send and receive emails, schedule appointments, manage contact details, and organize tasks efficiently.

We hope this guide proves helpful to you!