Are you trying to update QuickBooks but end up getting errors? If your answer comes out as yes and we are right, then you are in the right place. In this segment, we will be highlighting QuickBooks error 12045, which is one of the QuickBooks update errors. Users might get into such an error when updating their software to increase productivity and smooth the workflow. Getting such errors can be very frustrating and disrupt the QuickBooks operations. Multiple reasons are responsible for this error, which we have discussed briefly in the next sections, along with their solutions. Read the guide completely to know more about it.

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What leads to QuickBooks Error 12045

• Update errors might occur if your date/time in the system is wrong.

• Due to wrong internet connection settings.

• The firewall has blocked QuickBooks services for security reasons.

• You might have installed multiple versions of QuickBooks on the system.

Easy Ways to Resolve QuickBooks Error 12045

These methods can be used to eliminate any update errors, such as QuickBooks Error 12031, 12029, or 12045:

Resolution 1: Checking the system’s date and time

1. First, you need to perform a right-click on the system clock and click Adjust Date/Time.

2. Next, pick the Change date and time option and define the current date and time.

3. Click OK two times.

4. Then, you need to close and reopen QB Desktop.

5. Finally, you can try to run the QuickBooks Desktop update again.

Resolution 2: Manually Configuring Firewall 

1. Intiallizing the Start menu.

2. Type "Windows Firewall" and launch Windows Firewall.

3. Choose Advanced Settings.

4. Now, you are requested to perform a right-click on Inbound Rules and click New Rule.

5. Then, tap on Port and choose Next.

6. TCP must be chosen.

7. Finally, write the specific ports needed for your QuickBooks year version in the Specific Local Ports field:

QuickBooks Desktop 2020 and later: 8019, XXXXX.

QuickBooks Desktop 2019: 8019, XXXXX.

QuickBooks Desktop 2018: 8019, 56728, 55378-55382.

QuickBooks Desktop 2017: 8019, 56727, 55373-55377.

Wrapping It Up

QuickBooks error 12045 is nothing but an update error in this software. All the possible reasons have been listen above, along with their solutions. You must read the blog completely to have a better understanding of the error code, which will make the resolution task easier. If you need any kind of help to fix the error, don’t hesitate to contact us at TFN.