[pii_email_37f47c404649338129d6] Error?

“failed to connect to the server. Socket Error: 10051 Error Number: [pii_email_37f47c404649338129d6]”

When you do send mail on Outlook Express application. And you posted his famous error message,[pii_email_37f47c404649338129d6]. Then don’t worry. Soon we will help you fix this problem.

Cause of error

The error [pii_email_37f47c404649338129d6] is usually caused by a conflict with the SMTP server.

How to fix the error [pii_email_37f47c404649338129d6]

To be able to fix this [pii_email_37f47c404649338129d6] error. Here are 3 ways to help you fix this error successfully.

1. Solution 1 – Trying to fix

The first thing you should try to fix the Outlook error is to repair it from the program and features . Follow these steps:

  1. Open the Control Panel .
  2. Go to Programs and Features .
  3. Find  »  Microsoft Office 365   » (or any other applicable office application) and select it.
  4. Click Edit at the top of the Programs and Features window . In the window that opens, select  »  Repair « . Follow the instructions on the screen.

When the process is complete, restart Outlook and check if the code persists. If so, try the following solution.

2. Solution 2 – Check the server requirements from the settings

  • Open Outlook .
  •  Open File  > Account Settings .
  •  In the Account Settings window , click the Messaging tab . the next window should open.
  •  Select your email account from the list.

  • A new window called Email Account should open. find More settings  and click on it.
  • The following window  »  Internet messaging settings   » should open.
  • Open the Outgoing Server tab .
  • Check the box  »  My outgoing server ( SMTP ) requires authentication « .
  • Click OK to apply the changes.

Once the process is complete, restart Outlook and check if error code [pii_email_37f47c404649338129d6] persists. If so, try the following solution.

3. Solution 3 – Delete Duplicate Accounts

A helpful solution to fix this problem. That is deleting duplicate accounts. Because this is the cause of the error [pii_email_37f47c404649338129d6]. Please follow the instructions below to fix this problem.

  1. In the Outlook menu .
  2. Go to Accounts Settings and go to the Messaging tab .
  3. Select any duplicate mail account you see.
  4. Click the Delete button to delete these accounts.
  5. Once the process is complete, restart Outlook and check if error code [pii_email_37f47c404649338129d6] persists. If so, try the following solution.

4. Solution 6 – Reinstall Outlook

If the above solutions haven’t helped you fix this problem yet. Then I recommend that you uninstall Outlook and reinstall it. You can uninstall Outlook by the following:

  • Open the Control Panel .
  • Go to Programs and Features .
  • Find  »  Microsoft Office 365   » ( or any other applicable office application ) and select it.
  • Click  »  Uninstall   » at the top of the Programs and Features window . An uninstall wizard should open. Follow the instructions on the screen.
  • When the process is complete, reinstall Office to add a new Outlook installation .
  • When the process is complete, create your account and try sending the email again. I hope the problem will be solved.

Hope with the workarounds above. Will help you can troubleshoot errors [pii_email_37f47c404649338129d6] quickly and successfully.