How to Solve The [pii_email_37f47c404649338129d6] Error ?

[pii_email_37f47c404649338129d6] is an error that you may see when sending a mail in Outlook. Microsoft outlook is one of the most popular and reliable email services and has millions and millions of users all over the world. It is a personal information manager from Microsoft, which comes with the Microsoft office suite.

Initially, it was introduced as an email client. Outlook also includes functions such as calendar, task managing, contact managing, note-taking, journal logging, and web browsing. is a free webmail version of Microsoft Outlook, which was formerly known as Hotmail.

Microsoft outlook is a good option when it comes to sending and receiving emails. But it does have bugs and issues. Though they are not frequent,t if you are an outlook user you might have experienced an error. The error [pii_email_37f47c404649338129d6] is one of the most typical errors faced by Outlook users.

How to Solve The pii email 37f47c404649338129d6 Error

What is  [pii_email_37f47c404649338129d6] error?

You may see the error “failed to connect to the server. Socket Error: 10051 Error Number: [pii_email_37f47c404649338129d6]” when you send a mail-in outlook. It is usually caused as a result of a conflict with the SMTP server. It occurs due to improper software setup during installation.

These are the entered parameters like port number, authentication, and secure connection. This error prevents you from sending any emails to other accounts. You can only receive emails and view the mails in inbox

Methods to fix [pii_email_37f47c404649338129d6]

There are many ways to fix the error and most of them consist of simple steps. Here are six methods that were found to be effective in solving the error. But before trying any of the methods, it is advised to make a backup for your files.

Method 1. Fix with the built-in repair tool in windows

Windows has an automatic repair tool that diagnoses and fixes the apps. It can be used to fix the Outlook error.

Step 1: Open control panel.

Step 2: Select Programs and attributes.

Step 3: In the programs, the list locates Microsoft outlook.

Step 4: Click the edit option and choose repair.

Step 5: A window will open run through the wizard and the tool will automatically fix all the errors in the program.

Once the tool had run successfully, restart the PC and launch Microsoft Outlook. You should be able to send emails now. If the [pii_email_37f47c404649338129d6] error still persists, proceed to the next method

Also Read: How to Fix [pii_email_e6685ca0de00abf1e4d5] Error?

Method 2. Check the email settings within outlook

Because this error is due to improper parameter setting, configuring the settings within Microsoft outlook may solve the error.

Step 1: Launch Microsoft outlook.

Step 2: Open the Tools menu and click on accounts.

Step 3: Select the account that is causing the error and click on properties.

Step 4: Check id to determine whether it is set as per email server.

Step 5: Click on more settings, select the outgoing server tab, and check whether outgoing server authentication is enabled.

Step 6: Go to the advanced tab and check whether the SMTP & POP settings match with your email hosting provider.

Step 7: Click ok to save the settings.

Now try sending emails. If this doesn’t fix the error, try the next method.

Method 3. Check duplicate account

Duplicate accounts might be causing the [pii_email_37f47c404649338129d6] error. Finding and deleting those accounts might solve the problem.

Step 1: Open Microsoft outlook

Step 2: On the menu, select account configurations, and open the mailing tab.

Step 3: Select the duplicate accounts from the list.

Step 4: Click eliminate to delete the duplicate accounts.

After eliminating the duplicate accounts restart outlook and try to send emails.

Method 4. Change server port number

Manually examining and adjusting the server port number might solve the error.

Step 1: Open Microsoft outlook

Step 2: Go to file and account settings.

Step 3: Click on email form the account setting and select your email.

Step 4: In the email window click on more settings and click on internet email settings

Step 5: Go to the advanced tab and change the SMTP port number from 465 to 587.

Step 6: Click OK to save the settings.

Now try sending emails and check whether the [pii_email_37f47c404649338129d6] error is solved.

Method 5. Disable antivirus

Antivirus software or the windows security may prevent Microsoft outlook from establishing a connection from client email. If you use an antivirus application, open it, and disable virus & threat protection. If you are using windows security, follow the steps mentioned below

Step 1: Open control panel or select start and go to settings.

Step 2: Go to Update & security

Step 3: Select windows security

Step 4: In windows security, select Virus & threat protection

Step 5: In virus & threat protection settings, click manage settings.

Step 6: Disable the real-time protection

Now launch Microsoft outlook and try sending an email. If you still see the error try the next method. Don’t forget to enable virus & threat protection again.

Also Read: How To Fix WOW51900319 Error in World of Warcraft Game?

Method 6. Reinstall Microsoft outlook

If the above methods haven’t solved the error, try uninstalling outlook or the application causing it and reinstall it.

Step 1: Open the control panel

Step 2: Select programs and features

Step 3: From the list, select Microsoft office or the application that causes the error and click on it.

Step 4: A window will open after you click uninstall. Follow the instructions on the window to uninstall the program.

Step 5: Once the process is complete and the program is uninstalled, reinstall Microsoft office and outlook.

Configure your account and settings carefully and check if the [pii_email_37f47c404649338129d6] error is solved.

Like any other application, errors are also common in Microsoft outlook. Most errors can be fixed easily with just a few changes in the settings.

We hope that one of the above-mentioned methods would have solved the [pii_email_37f47c404649338129d6] error for you.

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