Best Way To Resolve QuickBooks Cannot Communicate With The Company File Issue
                     QuickBooks Cannot 
Communicate With The 
Company File: Simplest 
Troubleshooting 
Tactics 
QuickBooks is a well-developed accounting software famous across the 
global market, particularly among small-scale business associations. One of 
the most relevant & widely used features of QB Desktop is the ‘Company 
File’, which is mostly intended to act as a reservoir of essential data of the 
enterprise.
Access to the company file is often restricted due to a unique error 
message called ‘
QuickBooks Cannot Communicate With The Company File’. This error 
message usually turns up on the screen due to faulty Windows Firewall 
settings.
In the present blog, various troubleshooting methods to effectively weed out 
this technical glitch are explained in a precise manner.
If you want fully relevant guidance regarding the ‘QuickBooks Cannot 
Communicate with the Company File’ error message, you can dial 1-
855-856-0042 to contact our QB Professionals Team.

What Are the Reasons Behind ‘QB 
Application Company File Communication 
Failed Error’?
The ‘QB Application Company File Communication Failed Error’ can arise 
due to the reasons stated below:
• As discussed in the introduction, faulty Windows Firewall settings are 
the major cause behind this technical glitch.
• Not having the installation of the recently issued QB updates can also 
trigger this technical error message.
Accurate & Easy Methods for ‘Company File 
Communication Not Successful in 
QuickBooks Error’
The ‘Company File Communication Not Successful in QuickBooks Error’ can 
be tackled using the following methods:
Method 1: Reform the Windows Firewall settings to grant full 
exemption to the QB Desktop application
• Instantly, after launching the ‘Windows Firewall’ window, you have to select 
the ‘Advanced Settings’ tab, following which you need to right-click the 
‘Inbound Rules’ tab.
• Next, precisely hit the ‘New Rule’ option and choose the ‘Port’ icon, after 
which you can tap the ‘Next’ button to move forward to the succeeding step.
• Now, just check the ‘TCP’ checkbox & accurately write port numbers 
linked with the QB application within the ‘Specific Local Fields’ box on the 
window.
• Thereafter, simply mark the ‘Allow the connection’ box & instantly impose 
a new name like ‘QBPORTSBGU’ to the new rule.
• After that, hit the ‘Finish’ button & repeat the same process for the 
‘Outbound Rule’ option, following which you can access the QB company 
file from the QB application window.
Method 2: Install the most recently available QB updates on 
your computer to rectify this problem 
• Promptly open up the QB application window to select the ‘Help’ menu, 
after which you need to swiftly strike the ‘Update QuickBooks Desktop’ 
icon.
• Next, instantly use the ‘Update Now’ tab provided on the ‘Update 
QuickBooks’ window to tap the ‘Get Updates’ button, and the process of 
downloading all the new QB updates will commence immediately.
• After the download process has been successfully finished, you can 
reopen the QB window to strike the ‘Yes’ option in order to finish the 
installation of all the fresh updates.
• Finally, you can definitely succeed in using the updated QB window to 
access the desired company file on the computer.
By executing the verified methods elaborated above in the proper order, you 
can surely root out the ‘QuickBooks Cannot Communicate With The 
Company File’ error message. If you want more explanation & help, you can 
dial 1-855-856-0042 to contact our QB Professionals Team.