In QuickBooks because of uncommon issues with the qbdbmgrn.exe (QuickBooks information Server Manager) service, then it's a really common issue among all users, several users face this downside while running QuickBooks on the Windows and QuickBooks Support Forum users repeatedly crammed with queries like QBDBMgrN not running on this laptop and QuickBooks information Server Manager stopped.
When the QBDBMgrN service did not begin or open, it means the Windows Firewall is disturbing the service and obstructing its reference to the internet. Though, the nice news is that you simply will forthwith fix this downside by configuring the Windows Firewall and its ports, however, take care to follow every step rigorously as one mistake will cause knowledge loss.
In this article, we see how we can resolve QBDBMgrN not running error.
Symptoms Of Error:
Following subsequent changes happen in the system because of the “QuickBooks database server manager not running” error which is as follows:
The multi-user mode is not working properly.
Unable to write the file.
The firewall installation is corrupted.
Because of Firewall, QuickBooks doesn’t have access to the Internet.
Update of QuickBooks Database Server is failed or not completed.
QuickBooks Database server manager is corrupted.
Having the problem with QuickBooks network files.
In the QuickBooks database server manager, no files are connected.
Causes of Error:
Because Firewall is not giving access to the internet connection to the QuickBooks Desktop from the servers. Hence, the “qbdbmgrn is not running on this computer” error occurs. We can only contradict that our firewall is not updated due to limitations and ports to resolve the issue
QBdbmgrn.exe is a service for multi-user access that takes care of network knowledge files on the host laptop. Other fascinating reasons are:
Installation of the firewall is incomplete or incorrect.
QuickBooks Database server manager is not updated.
QuickBooks Network file has some problems.
QuickBooks server manager is installed incomplete or corrupted.
Due to the third-party firewall software installed on the system which blocks the QuickBooks access to us.
Internet property isn't sensible

Steps To Mend the Error:
Step 1: Reset your Computer
Log out from your QuickBooks account.
Reset your computer.
After resetting, begin the QuickBooks and try again to log in to your account.
Step 2: Restart QuickBooks Database Server Manager Services
Open the run box by selecting Windows + R and write services.msc and click on OK.
Now scroll down and look for QuickBooks Database Server Manager services with the name ‘QuickBooksDB28, QuickBooksDB27or QuickBooksDB26‘.
Select the QuickBooks desktop version file and open the computer menu with a right-click on the file. Now right-click to ‘Service‘
Try again and start your QuickBook desktop
Step 3: Updating the Windows Firewall
Open your system and then select the Window+ R to open the run box.
Now, open run the box, and go to the control panel and click on OK
Go to the System and Security and select it.
Go to the Window Firewall option, select the Update your Firewall Setting option.
Then go to the Check for Updates and select it. If any update is visible, then select the Update now option.
At last, restart the system and re-open the QuickBooks.
Step 4: Repairing the QuickBooks Desktop
Open the run box by selecting Windows + R and write appwiz.cpl and click on OK.
Now search for the Programs and Features option.
Look for the QuickBooks in the list of installed programs
Give a right-click on QuickBooks and opt for Uninstall/Change.
Select Continue then choose Next, then choose Repair, and the last select next option
It will take few seconds to finish the full method
When the process is completed restart your system and try again opening the QuickBooks.

Step 5: Again Installing the QuickBooks properly

Again Install QuickBooks by using the QuickBooks Clean Install Tool. In this process first, we Uninstall software, then rename the folders, and again re-install QuickBooks.These processes are given below with step are as follow:
Uninstalling Steps
Open your system and then select the Window+ R to open the run box.
Then within the run box, insert ‘control panel’ and opt for OK
Select the Programs & Features option.
Go to the Programs list, and click on QuickBooks and choose the Uninstall/change.
Go with the instructions and end the uninstallation process.
Download and Run QuickBooks Clean Install Tool
First, you would like to install the QB Clean Install Tool.exe file and save .exe files to your pc.
Next, you would like to run the QuickBooks_clean_Install_Utility.exe.
Tickmark on the option I accept the terms and conditions.
Choose the QuickBooks Desktop version and click on OK.
Then you will see the message- ‘QuickBooks is ready for Clean install’ and then install this to the Default.

Rename the Folders.
Work along with your ‘Windows Explorer’ to point out all the hidden files or folders.
Rename every folder location that is shown within the Windows version.
Folder path are as follow:
C:\programdata\intuit\quickbooks(year)
C:\users\the current user\appdata\local\intuit\QB (year)
C:\program files\intuit\quickbooks( year.
Note:
Attend the folder, right-click thereon, and click on on Rename. Add ‘old’/ ‘damaged’ at the top of your folder name. This may assist you to form a replica folder with an equivalent name.
Hope, once playing these error, you may get eliminate this error. If not, or obtaining the error message expression Access Denied, once attempting to renaming the folders, then you would like to follow the below steps.
Choose Windows Task Bar and Manager
First go to the processes tab and select on the ‘image name’ column header to classify processes alphabetically.
Select the QBDBMgrN.exe, QBDBMgr.exe, QBCFmonitorservice.exe, Qbw32.exe option and click on End.
Click on Yes on the warning message that pop-up on your screen.
Next, re-install the QuickBooks just by downloading & installing the QuickBooks Desktop.
Solution 6: Fixing This Error manually
Download & install the QuickBooks File Doctor tool on your computer.
Run QB File Doctor tool and it helps to identify all the network and solve the error like QBDBMgrN error. It mechanically repairs the error and additionally prints the reports.
If your hosting mode is turned off, it prompts you to turn on QuickBooks Hosting so that the company can open the file.
For the user permission, you would like to give the access permission in Windows, then the result indicates that the folder contains a non-writable read-only company file.
Grant permission to Windows and create the folder shareable only if the folder contains a non-shareable company file.
If you do not have a proper internet connection, you must run ipconfig.
Step 7: Remove QB Database Manager Service From Firewall Settings
Open your system and then select the Window+ R to open the run box. and write Windows Firewall and click on the OK
Find the Advanced settings and right-click on Incoming Rules and from the menu select New Rule.
Select Next below Programs and opt for This Program Path.
Now search for the QBDBMgrN.exe file and remove it. Find this file in this location (C:\Program Files\Intuit\QuickBooks) select the location of the .exe file and click Next.
Choose Allow the Connection and click on Next.
Select all the check-boxes and click on Next.
Choose a name for this rule and click on Finish.
Then, restart your computer and continue your work with the QBW Company file.

Conclusion: Now, We are at the end of this article. If these steps still do not help in how to mend “QBDBMgrN Not Running On the Computer” Error, then you can contact the certified QuickBooks ProAdvisor for the best troubleshooting solution.