What is QuickBooks Sync Manager Run-time error Error Code 3021?
How to Fix QuickBooks Error 3021?
Contents
Intuit QuickBooks is designed cope with the problems of the modern business. With helping to ease the business tasks the software also faces technical and functional errors. Error 3021 is among them. Below is the detail description of the QuickBooks error occurrence, consequences and resolution.
What Does Intuit Quick Books Error 3021 Mean
The 3xxx series are categorized as Sync Manager Errors under different scenarios. When the sync manager fails to connect with the company file the user will face this error. Error 3021 is faced by the user when the server certificate could not be verified.

Why does the QB Error 3021 Occur?
- The user may face the error due to the following reasons:
- Few certificates in the chain are fake or already expired.
- Mismatch of the certificate name and server name.
- Certificate name is empty.
Fixing Quick Books Error 3021
Ensure that your sync manager is up to date before attempting the resolution for the error. The only way to resolve the issue is to reset the Data Sync Manager
How to Reset Data Sync Manager?
There are many scenarios where you need to reset Sync Manager. Below mentioned are following scenarios that require data sync to be reset:
- Reliability token for the sync manager expires.
- Sync your company file from one system and then shift to other system.
- You need to set up your synced company file on the new system.
- You need to use your company file backups when the hard disk got crashed.
- Unexpectedly delete the Sync Manager folder (C:\Users\ \AppData\Local\Intuit\SyncManager in Windows 7 or Vista.) and Sync Manager display your company’s name.
- Removal of file from syncing by using the Remove file from syncing option and then resume sync for the file.
After following the resolution – ‘Reset Data Sync Manager’ still the error retains you can immediately travel to read the discussions and post messages and questions relating to your issue/error on free QuickBooks Community site that has been developed by Intuit considering the need of the clients or opt to contact the QuickBooks technical support for guidance and error fixation.You have a better alternative that is quick and reliable. AccountsPro a trustworthy QuickBooks Support Company and well known Tech Support Provider Company. The company roofs excellent technical support team is who are well trained and knowledgeable Intuit certified ProAdvisors. They have thorough understanding about the business accounting software. They guarantee responsive assistance towards error rectification reported by the clients. If you are encircled in such disastrous scenario and are facing loss of work, then instantly report us. We guarantee you complete resolution of the problem in the minimum turn-around time (TAT). Connect with Accounts Pro Team today! ☎ 1-516-472-4307 and connect with QuickBooks Customer Support today!
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