The QuickBooks Error 12007 is frequently caused by a defective internet connection, which doesn’t allow its users to update the software. Furthermore, this error can be a result of misconfigured Internet Explorer Settings. However, it may also happen that QuickBooks is unable to find an IP address and it shows this 12007 error. This can be a very frustrating situation because you can’t update the QuickBooks software which can be very important for your company’s accounting requirements.
Thus, if you are facing this error on your QuickBooks application, then don’t worry. Here, we have listed all the solutions to this annoying error. Whatever might be the reason of this error, applying the solutions mentioned here, should fix this issue in no time. So, go through the article to thoroughly and find the most relevant solutions to this error.

How To Fix QuickBooks Error 12007 Easily?
There can be a number of solutions to fix this 12007 error on QuickBooks. Here, we have listed the most appropriate solutions to resolve this error. You may not have to apply all of the solutions. Hence, just work your way through the list and find the fix that works best for you.

Solution 1: Configure Your Internet Explorer Correctly
The first thing you should check when you are encountering error 12007 on QuickBooks is whether the Internet Settings is correctly configured on your Internet Explorer. In addition, the Internet settings are best managed through your Internet Explorer browser. Thus, to ensure that the Internet Settings are correctly configured, you should always head for the Internet Explorer. Hence, follow these steps to ensure correct configuration of your Internet settings:
Open your Internet Explorer and click on the icon shaped as a Gear at the top right corner of the browser window.
Select the Internet Options from the menu.
Navigate to the Connections tab, and select LAN Settings.
Check the box next to ‘Automatically Detect Settings’ and leave the Proxy Servers blank. Click on Apply.
Now, navigate to the Advanced tab and check the boxes next to SSL 2.0 and SSL 3.0.
Next, uncheck the box next to Check for Publisher’s Certificate.
Now, in the Advanced tab, make sure TLS 1.1 is checked and TLS 1.2 is not checked. Click Apply and then OK.
Now, restart your Computer and check whether the 12007 error resolves.

Solution 2: Check The QuickBooks Internet Connection
Sometimes, QuickBooks cannot access the internet because of some settings which can be fixed from the program itself. So, follow these steps to fix that:
Open QuickBooks.
Navigate to Help> Internet Connection Setup.
Select the option ‘Use my computer’s Internet connection settings to establish a connection when this application accesses the Internet’
Click on Next> Done.
Now, click on Help, and select Update QuickBooks from the list.
Click Options> Mark All.
Click on Save> Update Now> Reset Update> Get Updates.
Close QuickBooks when the Update Complete message appears.
Open QuickBooks Desktop and if any prompt appears for installing the updates, click Yes.

Solution 3: Reset QuickBooks’ Update Settings
Resetting the update settings of QuickBooks may help in fixing the error 12007 on it. Follow these steps to reset its update settings.
Open QuickBooks.
Click on Update Now tab.
Look for the Reset Update checkbox and click on Get Updates button.
Now, check if the updates are installing.

Solution 4: Check The Firewall Settings Of Your Windows
Firewalls can sometimes prevent QuickBooks from accessing the internet.The Firewall is such a thing that, wrong configurations of this can not only cause this particular issue. But other issues like the QuickBooks Error 15215, which luckily, you will be able to fix with the proper instructions at hand.

Follow the steps mentioned below to ensure Windows Firewall doesn’t block QuickBooks files.
Go to Control Panel and head to System and Security> Windows Firewall.
Select Advanced Settings, and highlight Inbound Rules at the left of the screen.
Right-click on Inbound Rules and click on New Rule. Now, select Port under Rule type.
From the first set of Radio buttons, select TCP, and switch the second Radio button to Specific local ports. Now, add the following ports to resolve the QuickBooks updating functionality:

“QuickBooks Desktop 2018: 8019, 56728, 55378-55382”
The QuickBooks Desktop 2017: 8019, 56727, 55373-55377
Also, QuickBooks Desktop 2016: 8019, 56726, 55368-55372
And, QuickBooks Desktop 2015: 8019, 56725, 55363-5536
Click Next.
Select Allow the connection, and click Next.
Make the same changes for Outbound Rules. To do that, select Outbound Rules in step 2.
Solution 5: Perform A Clean Install Of QuickBooks
You can also perform a clean install of QuickBooks to fix this error 12007. Take this solution as a last resort. If none of the above solutions work, then you can always perform a clean install of QuickBooks to get rid of any issue that is bothering you.

You’ll need the Setup file of QuickBooks and a license number before you can proceed. After, ensuring that you have secured both of them, follow these steps for a clean installation of QuickBooks.

To perform the actions you need to be logged in as an administrator. Also, make sure to back up any data, as removing QuickBooks will delete them automatically.

Go to Control Panel, view by Category, and select Uninstall a Program under the Programs section.
Locate QuickBooks and click on Uninstall.
In the Uninstall wizard, click on Remove. If any prompt appears asking if you want to remove QuickBooks completely from the system, click Yes to confirm it.
Click Finish when the Uninstall completes.

RENAMING THE INSTALLATION FOLDERS
Next, rename the installation folders to make sure that QuickBooks doesn’t use them once you reinstall it.
Navigate to C> Windows Folder.
If you are not being able to view some folders, it’s probably because they are hidden. You need to correct the settings to view hidden files/ folders.
Go to View tab under Folder and Search Options. Next, select View Hidden Files and Folders.
Now, look for the Intuit folders on your C drive, and rename them by adding ‘.old’ to their names, so that Quickbooks won’t use them on the fresh install.
Next, run the setup file of QuickBooks and perform the clean install of it.
Now, try to update QuickBooks again and check if the error 1207 is resolved or not.

These are the solutions to resolve QuickBooks error 1207 on your Windows PC. Hope, after going through the solutions as mentioned, and implementing them accordingly, you can fix the error in no time.