If you are facing this “Failed to connect to the server. Socket Error: 10051 Error Number: [pii_email_37f47c404649338129d6]” error while sending emails from your account using Outlook Express and looking for methods to solve it, then you have landed on the right page.
In this article, I am going to share a thorough guide that will cover everything, including what this error is and how you can fix it. So, without any further ado, let’s get started.
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What is [pii_email_37f47c404649338129d6] error and what causes it?
The error [pii_email-37f4c404649338129d6] is a pervasive issue that occurs when a Microsoft Outlook Express user tries to send the email. This error restricts users from sending emails to other connections. Whereas they can receive and read emails without any issues.
This error mostly takes place because of the connection issue with the SMTP server. It can happen due to the wrong software configuration, incorrect port number, or other authentication issues.
Unfortunately, there is no specific reason why this error arises. All we know are multiple factors that may be responsible for this issue.
Therefore, you have to apply a few different methods to discover why this error occurred in your device and to fix it.
So, here are some of the best fixes of error number [pii_email-37f4c404649338129d6] that you can give a try:
6 Best methods to fix Error Number: [pii_email-37f4c404649338129d6] in 2021
Since we already told you that there is no specific reason why you might have encountered this error, you have to run several fixes to find which one works for you. In this article, we have included six different solutions to this error that will resolve it for you:
#1. Fix [pii_email_37f47c404649338129d6] error by using the auto repair tool available on Windows.
The very first method that you can follow to resolve this error is by using the repair tool available on Windows. This method will fix the [pii_email-37f4c404649338129d6] error if it has occurred because of the poor installation of Outlook Express.
To process this method, you have to follow these simple steps:
Step-1. First of all, you have to open the Control Panel on your Windows PC/Laptop.
Step-2. From the list, select the Programs and then click on the Program and Features option.
Step-3. Here you will see the list of all installed programs. You have to locate Microsoft Outlook or Outlook Express from this list.
Step-4. Once you find it, right-click on it and then choose the Repair option.
Step-5. A pop-up wizard will appear, and it will fix the program.
This process may take a few minutes, and once you receive a successful message, you have to restart your PC and relaunch Microsoft Outlook Express. It will probably solve this issue for you.
Nevertheless, if you are still facing the error even after following this method, then you can try any other solution mentioned below in this article.
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#2. Check server requirements settings to fix [pii_email_37f47c404649338129d6] error.
Server requirement settings can be another reason why you might have encountered this Error: [pii_email-37f4c404649338129d6]. Therefore, if you are facing this issue, then I suggest you recheck all the settings.
For that, you have to follow these steps:
Step-1. First of all, open Microsoft Outlook Express on your PC.
Step-2. Now, go to the Tools menu and then click on the Accounts tab.
Step-3. Select the account and then, click on the Properties button.
Step-4. Check the ID of the Outgoing mail server (SMTP) option and match it with your email server.
Step-5. Now click on the More Settings button and select the Outgoing Server tab. Here you have to ensure that the checkbox of My outgoing server (SMTP) requires authentication has been ticked.
Step-6. Now go to the Advanced tab and check whether the Outgoing Server (SMTP) value matches with your email hosting provider or not.
Step-7. After that, click on save settings and then restart to see the changes.
Step-8. Check whether the issue got resolved or not.
#3. Check if you have any duplicate accounts.
Sometimes having duplicate accounts can lead us to such errors like Error: [pii_email-37f4c404649338129d6]. So, it is always a good idea to remove all the duplicate accounts from your device and then see if it has fixed the problem.
To do that, simply follow the steps mentioned below:
Step-1. First of all, open the Microsoft Outlook Express and click on the Outlook menu option.
Step-2. Now choose the Account setting option and click on the mailing tab.
Step-3. Here check all the linked accounts and remove the duplicate ones.
That’s it. After that, reopen your Microsoft Outlook Express app and try sending emails to check if the problem has been fixed or not.
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#4. Change the port number of the server to fix [pii_email-37f4c404649338129d6] Outlook error.
If any of the methods mentioned above are not working for you, then you can try changing the port number of the server to solve this error. This method sometimes helps getting rid of such issues.
To do that, you need to apply these simple settings:
Step-1. First of all, open Microsoft Outlook Express and go to the File and Account settings.
Step-2. Now choose your email from the Email section, and it will open a new window.
Step-3. Here you have to go to the More setting option and then click on Internet Email Settings.
Step-4. Now, click on the Advanced tab and change the value of the Outgoing server (SMTP) from 465 to 587.
Step-5. Click on the OK button to apply changes.
Now after following all these steps, you need to restart your device. After that, open Microsoft Outlook Express and check if the problem still exists or not.
#5. Reinstall Microsoft Outlook! The Quick Way to Fix [pii_email-37f4c404649338129d6] Error
The next one is a very simple solution to this error. Most of the time, the poor installation of Microsoft Outlook may cause such errors. Therefore, the best way to deal with such errors can be reinstalling the software.
To do that, you have to follow these simple steps:
Step-1. Open the Control Panel and go to the Program and Features option.
Step-2. Now from the list, look for Microsoft Office 365 and uninstall it.
Step-3. After successful uninstallation, install the Microsoft Office 365 again.
Step-4. This time login with a new account and check whether the issue got resolved or not.
This method will surely help you with such errors. However, if the issue still persists, then you can follow the last procedure that I have mentioned below.
#6. Check Antivirus Software on your Windows.
The last method is straightforward and easy to proceed. You just have to disable your antivirus, and then you have to check if the error has been fixed or not. Most of the time, antiviruses prevent such apps from making a connection with the servers. To disable antivirus, follow these steps:
Step-1. Open the Start menu and go to Settings.
Step-2. Now click on the Update and Security option and then choose Windows Security.
Step-3. Now go to the Virus and threat protection and disable it.
Remember, each antivirus software comes with different settings, and therefore, you have to look for the disabling method accordingly.
The bottom line
So, this was a detailed guide on what is error [pii_email-37f4c404649338129d6] and how to fix it.
It is a very common error that people who use Microsoft Outlook can face. It mostly happens because of the bad configuration of the software client or a bad connection to the SMTP server.
However, there is no defined reason why this error occurs. Therefore, we can just go with hit and try methods to deal with this error. Thus, I shared the six best methods to fix it.
With that said, here I am going to wrap up the article. I hope you find it helpful. If you have any questions, then you can shoot them in the comment section below. Our team will try to answer your queries ASAP. Keep visiting Cartel Press.