# Troubleshooting the Most Common QuickBooks Enterprise Errors
QuickBooks Enterprise is known for providing powerful tools for businesses, allowing them to handle complex accounting needs. However, as with any software, errors can occur that may hinder productivity. Below is a guide to some of the most common QuickBooks Enterprise errors and troubleshooting tips to get back on track quickly.
QuickBooks Error Code 3371: Could Not Initialize License Properties
Description
Error 3371 usually occurs when QuickBooks fails to load the license data due to damaged files or missing components.
Causes
Missing or corrupted EntitlementDataStore.ecml file
Windows operating system issues
Outdated Windows OS
Symptoms
Error message stating, "Could not initialize license properties."
QuickBooks fails to open.
Solution
Delete the EntitlementDataStore.ecml File
Navigate to C:\ProgramData\Intuit\Entitlement Client\v8 (or the appropriate folder for your QuickBooks version).
Locate and delete the EntitlementDataStore.ecml file.
Reopen QuickBooks and follow the registration process.
Update Windows and QuickBooks
Ensure your operating system is fully updated.
Open QuickBooks and check for software updates.
QuickBooks Error H202: Multi-User Mode Issues
Description
Error H202 often arises when a workstation fails to connect to the server in a multi-user setup.
Causes
Blocked ports on the server
Incorrect hosting setup
Damaged .ND file
Symptoms
Error message: “H202 This company file is on another computer, and QuickBooks needs some help connecting.”
Slow or failed connection to QuickBooks server.
Solution
Verify Hosting Settings
On your server, open QuickBooks and go to File > Utilities. Ensure that only the server hosts the company file.
Check Firewall Settings
Add QuickBooks and QuickBooksDBXX services to your firewall’s allowed list.
Configure firewall ports for TCP: 8019, 56728, 55378, and 55379.
Run QuickBooks Database Server Manager
Use QuickBooks Tool Hub to run QuickBooks Database Server Manager to repair any network setup issues.
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