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The 6 Tips To Fix QuickBooks Error 2147221164: Class Not Registered

QuickBooks Error 2147221164
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QuickBooks error 214722164 can arise in different situations. It hinders getting payroll reports, running a tax form worksheet and generating W2/W3 forms in excel. It is caused due to problems with your application or Microsoft office. The error message that appears on your screen is:- 

Error -2147221164

Class not registered has occurred in the following procedure: STartQBSession. Please contact for assistance.

Error -2147221164

Unable to complete your task due to QuickBooks Error 2147221164? Just seek an expert’s advice by calling at Asquare Cloud Hosting Helpline Number at +1.855.738.0359, and they will ensure that your error is resolved.

Reasons For Error 2147221164 In QuickBooks 

There are multiple reasons for error 2147221164 in QuickBooks based on your application as well as Microsoft office. A few of the common reasons are:- 

  • Your Payroll subscription is not active. 
  • Your Microsoft office files are damaged. 
  • You are using an outdated version of QuickBooks. 
  • Your system does not match the requirements to run the version of QuickBooks you have on it. 

Troubleshooting Steps for QuickBooks Error Code 2147221164  

There are multiple reasons for QuickBooks error code 2147221164. The troubleshooting steps require you to update Quickbooks, repair your excel file, ensure that it matches the basic requirements, and many more. Let’s look at these steps in detail one by one. 

Solution 1- Update QuickBooks Application

QuickBooks error code 2147221164 can arise on your system due to an outdated version of your application. These are the steps you need to follow in order to update your application:-

  • Run QuickBooks application. 
  • Tap on the Help tab and select Update QuickBooks Desktop. 
  • Now click on the Update Now menu and tick mark Reset Update.
  • Finally, click on the Get Updates button to remove previously downloaded releases. 
  • Tap on OK to continue. 
  • Once the download process is over, you need to rerun the application and start with the installation process.

Solution 2- Check System Requirements  

You will face QuickBooks Error 2147221164 if your system cannot support the QuickBooks application. Here is the list of requirements for QuickBooks desktop 2020 that your system needs to match or have superior versions in order to support the application:-

Operating Systems

  • Windows 10, all editions including 64-bit, natively installed
  • Windows 8.1 (Update 1), all editions including 64-bit, natively installed
  • Windows Server 2019, Standard and Essentials
  • Windows Server 2016, Standard and Essentials
  • Windows Server 2012 R2, Standard and Essentials
  • Windows Server 2012, Standard and Essentials
  • Windows Small Business Server 2011, Standard and Essentials

Note: QuickBooks requires you to use Windows natively and not through a virtual environment or natively. 

Database Server

  • Windows (Natively Installed)
    • Windows Server 2019, Standard and Essentials
    • Windows Server 2016, Standard and Essentials
    • Windows Server 2012 R2, Standard and Essentials
    • Windows Server 2012, Standard and Essentials
    • Windows Server 2011
    • Windows Small Business Server 2011, Standard and Essentials
    • Windows 10
    • Windows 8.1 (update 1)
  • Linux (Using QuickBooks Enterprise solutions Database Server-only installation)
    • OpenSuse 42.3
    • Fedora 29
    • Red Hat Enterprise 7 (RHEL 7.4)

Browser Requirements

Hardware and Operating System

Processor2.4 GHz minimum
RAM4GB minimum, 8GB RecommendedServer RAM Requirements1-5 Users: 8GB RAM10 Users: 12GB RAM15 Users: 16GB RAM20 Users: 20+GB RAM
Disk space2.5GB of disk space (additional required for data files)Additional software: 60MB for Microsoft .NET 4.6 Runtime, provided on the QuickBooks CD.Additional requirements for Intuit Data Protect in QuickBooks Connected Services offeringsRequire minimum 4.0GB RAMTwice the size of the largest file set to back up + 100MB or twice the size to restore. The space is only required from the work folder LocalApplicationData+”Intuit\Intuit Data Protect”.
Note: For the best performance, store your QuickBooks data file on a solid-state drive (SSD).
WindowsUS version of WindowsRegional settings are supported when set to English.Administrator rights required for the server computer when hosting multi-user access.Natively installed – means it was installed on a particular system or environment that it was designed for. This also means it doesn’t need to run in a virtual environment or emulation software.
Optical Drive4X DVD-ROM drive required for CD installations (unless QuickBooks is downloaded from Intuit server).
Screen ResolutionDisplay optimized for 1280 x 1024 screen resolution or higher with up to 2 extended monitors.Best optimized for Default DPI setting for a given computer.

Note- Internet access is necessary.

Software Compatibility 

QuickBooks can integrate a large list of applications. You can find a lot of apps on the Intuit App store itself. Here is the list of most common applications that are compatible with QuickBooks- 

  • Microsoft Office:
    • Office 2019 (Compatible with R3 and later).
    • Office 2016 (including Outlook 2016) both on 32 and 64-bit.
    • Office 2010 SP2, Office 2013 and 365 (including Outlook 2010 and Outlook 2013) both on 32 and 64-bit.

Note: Office 365 is only supported when it is locally installed, not the web version.

  • Email estimates, invoices, and other forms with Microsoft Outlook 2010-2016, Microsoft Outlook with Office 365, Gmail, Yahoo Mail and, other SMTP-supporting email clients.
  • Preparing letters requires Microsoft Word 2016, 2013, or 2010 or Office 365 (includes 64-bit).
  • Exporting reports requires Microsoft Excel 2016, 2013, or 2010 SP2 or Office 365 (includes 64-bit).
  • Contact Synchronization with Microsoft Outlook requires Outlook 2010 (32-bit).
  • Synchronization with Outlook requires QuickBooks Contact Sync for Outlook (the download is available at no charge).

Recommended To Read – How to Process W2 in QuickBooks Online

Note: Contact Sync does not work with the Microsoft Business Contact Manager Outlook plug-in. Syncing could cause duplicate records.

  • QuickBooks Point of Sale V18.0 and V12.0
  • TurboTax 2019 and 2018 (Personal and Business)
  • Lacerte 2019 and 2018
  • Pro-Series tax years 2020, 2019, and 2018
  • Quicken 2019, 2018, 2017, and 2016
  • QuickBooks for Mac 2020, 2019, and 2016
  • Adobe Acrobat Reader: Business Planner, Payroll, and viewing forms require Adobe Acrobat Reader 9.0 or later.
  • Payroll and other online features and services require Internet access with at least a 56 Kbps connection speed (1 Mbps recommended). DSL or cable modem is recommended.
  • Gmail, Yahoo Email, Windows Mail, Hotmail and AOL (i.e Mozilla Thunderbird Email Client which supports plain text version)
  • Internet Explorer 11

Firewall and Antivirus software compatibility  

This firewall and antivirus work perfectly with QuickBooks 

  • Windows Server Firewall (all editions)
  • Windows 8.1 Firewall (all editions)
  • Microsoft Security Essentials
  • Avast
  • AVG
  • NortonLifeLock (formerly Symantec)
  • ESET
  • Avira
  • Kaspersky
  • McAfee
  • Bitdefender
  • Malwarebytes

Note: While QuickBooks will function with systems running RAID (Redundant Array of Inexpensive Disks), it is not generally recommended as it slows down the QuickBooks function.

Solution 3- Repair Office Application

QuickBooks Error 2147221164 can arise on your system if your Microsoft office application is damaged and needs repair. Due to this error, excel fails to respond to your commands. Here are the steps you need to follow in order to repair your Office application:- 

Note:- These steps are for Windows 10

  • Press the Windows Start button and click on Apps and Features from the menu.  
click on Apps and Features
  • Choose Microsoft Excel from the list of applications and tap on Modify

Note:- You should be aware that windows will repair the whole Office suite even if you want to repair just one. Then you need to search that application by name. 

  • The following options will be available to proceed with the repair depending on whether your copy of Office is a Click-to-run or MSI-based installation. Follow the steps for the type of installation you’ve chosen.
    • Click-to-run:– In your “How would you like to repair your Office Programs” window, tap on Online repair and Repair in order to ensure that everything is fixed.
    • MSI- based:– Select Repair in Change your installation and then tap on Continue. 
  • Now follow on-screen instructions to complete the repair process. 

Solution 4- Automate the Internet Explorer ETW Collector

This solution for QuickBooks Error 2147221164 is supposed to work even if you don’t have any payroll subscription. These are the steps you need to follow:- 

  • Press Windows+R button to open the Run window. 
  • Type services.msc and press Enter
  • In the window opened, search for Internet ETW Collector Services on the list. 
  • Right-click on it and select properties.
  • Go to the Startup tab and tap on Automatic. 
  • Right-click on it again and tap on start.
  • Now close the windows and restart your application.

Solution 5- Check your settings at Export

There is a possibility that QuickBooks Error 2147221164 is arising on your system because you did not have proper settings while exporting the reports to excel. These are steps you need to follow:-

  • Ensure that the report has less than 256 columns. 
  • In case the amount is more than that, click on Advanced and unmark Space between columns checkbox.
  • Finally tap on OK and save your changes.

Solution 6- Reinstall Office 32-bit version

QuickBooks Error 2147221164 can arise because you are using the 64-bit version of Microsoft Office and it is unable to process the commands by application. You just need to install the 32-bit version and you will be good to go. 

  • Uninstall the version of Office 365 you are using. 
  • Go to and log into your account. 
  • Tap on the “Install Office” link.
  • Choose Other Install Options from the list that appears. 
  • Tap on the “View apps and devices” button. 
  • You can choose Office, the language, and the version from the resulting page (32 or 64-bit.) Choose the 32-bit edition. 

Also Read: 2 Easy Hacks to Resolve QuickBooks Error 3120.

Need Experts Guidance To Fix Error 2147221164 in QuickBooks

So this has been all about QuickBooks Error 2147221164. We discussed the variety of situations in which this error can arise and what you can do to fix it. If you are still looking for any resolution and your issue is not resolved, reach out to an expert at +1.855.738.0359, and they can guide you in a better sense. 

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