Fix “Outlook Cannot Log On” Error Efficiently

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  • Published on November 30th, 2023

  • Updated on December 18, 2023

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Email disruptions can be a prime obstacle to productivity and progress. If you’ve encountered the cryptic error message “Outlook Cannot Log On,” you know how frustrating it can be. Basically, this seemingly innocuous error hints at a disconnection between your Outlook and the email server, obstructing your access to crucial communications. Here, we’ll unravel the complexities behind this error, providing a troubleshooting solution to reconnect you with your digital correspondence.

Outlook cannot log on. Verify you are connected to the network and are using the proper server and mailbox name. The Microsoft Exchange Information Service in your profile is missing the required information. Modify your profile to ensure that you are using the correct Microsoft Exchange Information service.

Also Read: Microsoft Outlook Not Opening

How does this ‘Outlook Cannot Log On’ Error Occur?

This failure to log in can occur due to various reasons, including:

  • Incorrect Login Credentials: Often, the error may arise if the username or password entered in Outlook needs to be corrected.
  • Network Connectivity Issues: If there are problems with the internet connection or disruptions in network connectivity, Outlook might fail to log on to the mail server.
  • Server Unavailability: The mail server might be temporarily down or experiencing technical issues, preventing Outlook from establishing a connection.
  • Corrupted Outlook Profile: Damage to the profile settings within Outlook can hinder its ability to log in, requiring the creation of a new profile or repairs to the existing one.
  • Outdated Software or Updates: Using an outdated version of Outlook or missing essential updates might also cause login problems due to compatibility issues.
  • Add-ins or Extensions Conflict: Sometimes, third-party add-ins or extensions installed in Outlook can conflict with the login process, leading to log-on failures.

So, here we discussed the common reasons for causing the Cannot Start Microsoft Outlook the Attempt to Log On error. Now, we will learn how to resolve the issue.

6 Quick Tips to Resolve Outlook Cannot Log On Error

The following section will go through the various troubleshooting solutions. You just need to go through and understand each paragraph.

1. Verify Network Connectivity:

Ensure you have a stable internet connection. Try accessing other websites or applications to confirm connectivity. If the connection is unstable, troubleshoot your network or contact your internet service provider. It will help users fix the problem of Cannot log On to Outlook.

2. Use the ‘resetnavpane’ Command:

Sometimes, Outlook settings in the Navigation Pane cause issues. To fix this:

  • First, Close the Outlook application on your local screen.
  • After that, press Windows + R, type ‘Outlook.exe /resetnavpane,’ and hit OK.
  • Then, restart the Outlook program.

3. By Using Microsoft SaRA Tool (Support and Recovery Assistant)

There’s a tool called Microsoft Support and Recovery Assistant (SaRA) to troubleshoot Outlook. It can find issues and suggest fixes. If it can’t fix it, it guides you on the next steps or contact Microsoft.

4. Delete and Create a New Outlook Profile:

Outlook profiles might get corrupted, causing login problems. Follow these steps:

  • First, press Windows + R, type ‘regedit,’ and press Enter.
  • Afterwards, go to HKEY_CURRENT_USER > Software > Microsoft > Office > (Your Outlook Version) > Profiles.
  • Then, right-click your profile folder and choose Delete. Confirm with ‘Outlook-Cannot-Log-On‘.
  • Now, restart your device.
  • Lastly, create a new Outlook profile through Control Panel > Mail > Show Profiles > Add, then follow the prompts to add your email account.

The above solution will resolve the Outlook Cannot Log On error. You can also go with the other solutions.

5. Recreate the OST File:

If the error persists, it might be due to a damaged OST file:

  • Locate your OST file at drive:\Users\user\AppData\Local\Microsoft\Outlook.
  • Make a backup and delete the current OST file.
  • Open Outlook and it’ll recreate the OST file.

6. Updating DNS Records for Office 365 Business Users:

  • Go to portal.office.com, which is like a control panel for your Office 365 account.
  • After that, look for the “Domains” page and select “Find and fix the issue.”
  • Then, you’ll find a list of DNS settings. Choose the DNS record related to your domain that needs updating.
  • Once you’ve made the changes, select Find and fix issues again. If everything’s done correctly, you’ll see a message saying, The domain is set correctly.

After updating the DNS records, Office 365 Business users might need to delete their current Outlook profile and create a new one. When you enter your login details again, Outlook will automatically set up your account based on the updated DNS settings.

Check for corrupted emails in the OST file. If any are damaged or inaccessible, use a tool like Cigati OST Recovery Tool to repair and resolve them as a normal file. These steps should help fix the “Cannot Start Microsoft Outlook the Attempt to Log On” error and get you back to using Outlook smoothly.

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Final Words

Encountering the “Outlook Cannot Log On” error can be a frustrating experience, but with these troubleshooting steps, you can often identify and resolve the issue efficiently. Remember, maintaining updated software, verifying credentials, and ensuring a stable internet connection are key factors in fixing this problem. Don’t hesitate to seek assistance from Microsoft Support if needed. By following these steps, you can pave the way for a smoother Outlook experience, allowing you to focus on what truly matters—your productivity and seamless communication.

You May Also Read: Outlook OST is in Use and Cannot be Accessed

About The Author:

Rohit Singh is an Email Backup, Recovery & Migration Consultant and is associated with Software Company from the last 3 years. He writes technical updates and their features related to MS Outlook, Exchange Server, Office 365, and many other Email Clients & Servers.

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