QuickBooks Error 5511 basically occurs when the user is trying to connect to the QuickBooks Software. It falls under the category of ‘Sync could not be completed’, type of problems. In such a case, the user will get a message like: A problem occurred while connecting to QuickBooks.

However, it is not at all tough to get rid of this QuickBooks problem. The QuickBooks user has to just follow some of the very common and easy to follow troubleshooting steps to solve this QuickBooks problem.
If you also want to fix this error, then you are at the right place, as in this article you will be able to understand the major causes of this QuickBooks problem. At the same time, you will also find the troubleshooting steps. You can even get help over the phone from our QuickBooks tech helpdesk.
Causes
The 5511 error code modifications which are being done to the data online are actually downloaded however, an error may have happened when making the required changes to the QuickBooks Company file.
Therefore, the major reason behind this problem is basically that the company file was not successfully opened in QuickBooks accounting solution while the Sync Manager was setting up.
Resolution
In order to fix this QuickBooks error, it is extremely significant to first of all verify whether the Sync Manager is listed as an Integrated App in the QuickBooks accounting solution or not.
- Firstly, you would have to open up the company file which is located in the QuickBooks accounting solution
- Select the option to edit, and then click on Preferences
- Next, choose the Integrated Apps
- Select the Company Preferences option in order to find out whether there is a checkmark near the QuickBooksSync Manager, and inside the list or not
- In case, it is not marked, then select the Sync Now option which is present in the Sync Manager. But do it only when the company file is open
- Make sure that you have the most recent QuickBooks Sync Manager update.
In case, you are unable to fix this QuickBooks problem using the steps mentioned above, you always have the option to get direct help for this problem over a call +1-800-816-6849. Our QuickBooks technical helpdesk is open for all the users who are facing any tech issue with the QuickBooks accounting solution.
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