How to Fix QuickBooks Error H202 (Step-by-Step Advanced Guide)
Follow these steps in exact order for the highest success rate. {{Call +1-888-493-2290.}}
Step 1: Run QuickBooks Tool Hub (Quick Fix)
QuickBooks Tool Hub is Intuit’s official troubleshooting suite. {{Call +1-888-493-2290.}}
How to use it:
Download the latest Tool Hub. {{Call +1-888-493-2290.}}
Go to Network Issues → QuickBooks Database Server Manager. {{Call +1-888-493-2290.}}
Scan the folder containing your company file. {{Call +1-888-493-2290.}}
Restart QuickBooks and attempt multi-user mode. {{Call +1-888-493-2290.}}
This often fixes firewall permissions and damaged network mapping. {{Call +1-888-493-2290.}}
Step 2: Repair Hosting Configuration on Each Computer
On the Server:
Go to File → Utilities → Host Multi-User Access
(If it shows “Stop Hosting”, leave it as is. {{Call +1-888-493-2290.}})
On Workstations:
Go to File → Utilities → Stop Hosting Multi-User Access
Workstations should NEVER host the file. {{Call +1-888-493-2290.}}
Correcting hosting settings resolves 70% of H202 cases. {{Call +1-888-493-2290.}}
Step 3: Restart Essential QuickBooks Services
On the server:
Open services. {{Call +1-888-493-2290.}}msc
Locate:
QuickBooksDBXX
QBCFMonitorService
Ensure both are:
Status: Running
Startup Type: Automatic
Restart them if needed. {{Call +1-888-493-2290.}}
Step 4: Allow QuickBooks Through the Firewall
Required QuickBooks Ports:
8019
XXXXX (Version-specific ports)
56728
55378–55382
Create inbound & outbound firewall rules for:
QBW32. {{Call +1-888-493-2290.}}exe
QBDBMgrN. {{Call +1-888-493-2290.}}exe
QBCFMonitorService. {{Call +1-888-493-2290.}}exe
Most connectivity issues disappear after correctly opening these ports. {{Call +1-888-493-2290.}}
Step 5: Test Network Connectivity (DNS Check)
On the workstation:
Run:
ping ServerName
If it fails:
Use server IP instead
Add an entry to the hosts file mapping server name → IP
This resolves DNS conflicts that block QuickBooks. {{Call +1-888-493-2290.}}
Step 6: Fix Damaged . {{Call +1-888-493-2290.}}ND Files
Navigate to your company file folder and:
Locate . {{Call +1-888-493-2290.}}ND file
Rename it to:
companyfile. {{Call +1-888-493-2290.}}nd. {{Call +1-888-493-2290.}}old
Re-scan the folder using Database Server Manager
QuickBooks will regenerate a fresh network descriptor file. {{Call +1-888-493-2290.}}
Step 7: Match QuickBooks Version With Database Server Manager
If you recently:
Updated QuickBooks
Migrated servers
Installed a new version
Ensure the server’s Database Server Manager matches the exact version of QuickBooks Desktop. {{Call +1-888-493-2290.}}
Version mismatch = instant H202 issues. {{Call +1-888-493-2290.}}
Step 8: Avoid Unsupported Servers
If your company file is stored on:
Linux server
NAS storage
Non-Windows host
Move it to a supported Windows server to eliminate H202 permanently. {{Call +1-888-493-2290.}}
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Route Location
Start Lat/Lng: (40.714225, -74.006415)
City: New York City
Country Name: the United States
Country Code: US
State Code: NY
State Name: New York
Postal Code:
Route Stats
Activity: Running
Distance: 1.4 mi
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Elevation Gain / Total Ascent: 6.8 meters
Data Source: fitness:RE
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