How is Pii Email 37f47c404649338129d6 Error Fixed

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You might be confronting this mistake while sending an email from your outlook express record. The Error message: “Neglected to interface with the worker. Attachment Error 10051 Error Number: [pii_email_37f47c404649338129d6]” 

What is blunder [pii_email_37f47c404649338129d6], and for what reason does it happen? 

Mistake no: [pii_email_37f47c404649338129d6] is because of contention with the SMTP worker, and it happens because of the awful arrangement of your product inclinations. You have a twofold watch that all the entered boundaries are right with port numbers, validations, and secure association. 

Tips to fix Error Number: [pii_email_37f47c404649338129d6]? 

Here are multiple answers to settle this mistake anyway. We will examine the six most effortless and working strategies to explain this blunder as fast as a wink. 

Before beginning the arrangement twofold, check your record settings as here : 

Snap-on Tools Menu, select a record that causes the issue and snap-on properties. 

Check if the name of the active mail worker (SMTP) is right. As the picture below: QuickBooks, active mail worker 

If the worker requires confirmation, Check Mark on My worker requires validation. 

my worker requires verification 

Snap-on More Settings 

Check the SMTP port number is the equivalent demonstrated by your FAE.  If the association should be secure, at that point, check the imprint, this worker requires secure association SSL. As picture beneath

My worker requires verification. 

my work requires a secure association 

Six simplest techniques to fix Error [pii_email_37f47c404649338129d6] 

Microsoft Outlook blunder [pii_email_37f47c404649338129d6] happens on windows ten, showing the issue with Outlook Express or Windows Mail. For the most part, this mistake happens because of the contention between SMTP Servers at the point when a client attempts to send letters without the appropriate setting of the record. 

This guide will figure out six simple techniques to comprehend the mistake [pii_email_37f47c404649338129d6] that may support you. 

Method 1: Fixing through Programs and Features Tab. 

Most importantly, attempt to fix this Outlook Express mistake through program and highlights via the auto-fix device as follows: 

  • Snap on Windows hook and search program and highpoints 
  • Search for Microsoft Office 365 in projects and highlights. (or then again select any office pertinent application) office pertinent application) 
  • At the header of the Programs and Features window, snap-on alter select “Fix” and adhere to the guidelines on the screen.
    When it gets done withhold, restart Outlook and check if the mistake code is eliminated. If it continues, at that point, attempt mistake code is eliminated. If it continues, at that point, attempt

Method 2: Check worker prerequisite setting as Follow: 

  • Open Outlook from applications. 
  • Open File. 
  • Record Settings. 
  • select a record in outlook 
  • Select your email account from the rundown. 
  • Snap-on, the email account at that point, click on more settings. 
  • Presently open the web email setting. 
  • Open the active worker tab. 
  • Imprint on the primary choice, my active worker (SMTP) requires validation. 
  • Snap OK to spare the setting. 
  • my worker requires verification 
  • Snap OK to spare the setting. In the wake of tapping on good, restart the Outlook and checked if mistake [pii_email_37f47c404649338129d6] is eliminated. Else move to the following arrangement.

Method 3: Check Duplicate Accounts or Delete Duplicate Accounts. 

  • Still didn’t get the arrangement? We would checked the copy accounts. It might similarly be the resolve behind Error [pii_email_37f47c404649338129d6], and erasing copy records might be the possible answer for it. Follow the alternatives beneath
  • Snap-on Menu from the outlook. 
  • Open record settings from the Menu and snap on the mailing tab. 
  • Checked the copy account in the rundown and selected one.
  • Snap-on eliminates to eliminate one copy account see picture beneath:  eliminate copy account in Microsoft outlook 

Method 4: Change Server Port Number. 

  • Open Outlook 
  • Snap-on record and Go to Account Setting 
  • Snap-on Email from the record-setting and select your email account from the rundown. 
  • Another window Email Account will be open. 
  • Go to more settings and snap-on Internet Email Settings. 
  • Snap-on Advanced Tab 

In the rouse of finishing the settings restart outlook and supplicate that the Error [pii_email_37f47c404649338129d6] is taken out if you are fortunate, the issue is understood if not, we have strategy 5.

Method 5: Check Antivirus Software on your window. 

In this strategy, here is a basic answer to fix the blunder. Cripple antivirus for some time it might forestall Microsoft outlook from building up association from email customer. 

  • Handicap Antivirus as Following Steps 
  • Select Start 
  • Settings 
  • Update and Security 
  • Windows Security 
  • Infection and danger security 
  • Oversee settings (or Virus and danger security settings in past adaptations of Windows 10). 
  • Each antivirus has various settings to handicap it. Check as per the product you use. 
  • In the event that the blunder [pii_email_37f47c404649338129d6] still opposes, move to technique 6. 

Method 6: Uninstall Outlook and Reinstall 

So you are on technique six, and it is because the over five strategies didn’t work. Presently the last answer for the mistake [pii_email_37f47c404649338129d6] is to uninstall outlook and reinstall once more. In the wake of introducing again, have a go at adding another record. 

Uninstall Microsoft Outlook with the following advances: 

  • Open Program and Features from Control Panel. 
  • Search For Microsoft Office 365 
  • Double-tap on Microsoft office 365. 
  • Adhere to the tips on the screen to finish uninstalling. 
  • In the hurry of completing uninstallation, introduce Microsoft outlook once more. 
  • Make another record, add it in outlook, and have a go at sending the email once more. 


In this article we discussed about 6 answers for the mistake [pii_email_37f47c404649338129d6]. Expectation one of em worked for you, and the mistake is fixed now. If not, please remark beneath; we will locate the possible answer for you.



Pranesh Balaji
I'm a Blogger and an SEO professional. CEO & Co-founder of Bigmixseo, I have 2 years of experience in SEO & 1 year of Successful blogging @ pantheonuk.org. I have a passion for SEO & Blogging, While I was in college. Now my dream comes true. Thank god!