QuickBooks error 400 appears when the QB Online server is unable to process your request. It mainly happens when trying to connect with the bank with QuickBooks or process any request.
Connection error 400 is an HTTP Bad Request error that appears with an error message on your screen that reads, “QuickBooks Error 400 : The remote server returned an error – Bad Request.” As a result, it can cause issues while running any operation or cause damage to your company file. To understand this bug and find relatable solutions make sure to go through this comprehensive guide thoroughly.
If you are not tech-savvy and unable to understand the provided technical information, you should contact professionals for help. Dial +18557380359 to connect with QB experts and consult your issues
What Causes Error 400 in QuickBooks Online?
As discussed above, error code 400 mainly appears when trying to connect QuickBooks with your bank account. Let’s get familiar with the possible reasons mentioned below.
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Your Internet Browser might be overloaded.
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Using an outdated QuickBooks application or Internet Browser.
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The link between QuickBooks and the bank account might get broken
Solutions You Should Follow to Troubleshoot Error Code in QuickBooks
Move to the below section and follow the troubleshooting solution to troubleshoot error code 400 in QuickBooks.
Solution 1: Clear Caches and Cookies of Your Browser
Follow the below steps to clear the caches and cookies of your Internet browser.
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Open the browser you are using, such as ‘Google Chrome.’
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From the top right corner, select ‘Customize and Control Google Chrome.’
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Select the ‘More Tools’ option and ‘Clear Browsing Data.’
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From the list, choose these options:
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Cached files and images
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Cookies and other file data
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Download History
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Choose your ‘Time Range’ and click ‘Clear.’
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When done, try again to log in to the website using a fresh link.
The following blogs can help you: Suitable Methods to Troubleshoot QuickBooks Error 15241
Solution 2: Reconnect QuickBooks with Your Bank Account
Let’s reconnect your bank account to fix the broken link between QuickBooks and your bank account.
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Log into QuickBooks Online as an admin.
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Go to the ‘Banking’ menu and tap the tile above the account responsible for error 400.
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Click ‘Update’ and accept the prompt if it appears. It will update your bank connection automatically.
Solution 3: Update Your Web Browser
Here’s how you can update your Internet Browser with quick steps.
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Open ‘Google Chrome,’ then click on the three-dot icon.
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From the ‘Help’ menu select the ‘About Google Chrome’ option.
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Now, select ‘Update Google Chrome.’
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When an update is downloaded, reopen QuickBooks and make sure error code 400 is fixed.
Read More: Why QuickBooks Not Updating Or Fails After Windows Update
Hopefully, this troubleshooting guide helped you troubleshoot QuickBooks error 400 quickly. However, if the error persists or you face any issues while following this guide, dial +18557380359 for free assistance from QB experts. The team of QB professionals is available to assist you with the best.