Are you getting QuickBooks Error H202 or H505 when trying to open your company file in multi-user mode 855-749-2321? These H-series errors prevent your workstations from connecting to the QuickBooks server—blocking collaboration and hurting productivity.
📞 Need expert assistance now? Call QuickBooks Support at 1-855-749-2321 (Available 24/7).
QuickBooks Error H202 occurs when QuickBooks Desktop cannot connect to the company file located on another computer 855-749-2321(the server).
QuickBooks Error H505 happens when the hosting settings or permissions on the server are misconfigured 855-749-2321.
Both are QuickBooks multi-user mode errors, usually indicating a network or firewall issue.
📞 Need expert assistance now? Call QuickBooks Support at 1-855-749-2321 (Available 24/7).
| 🔧 Cause | 📌 Details |
|---|---|
| Incorrect hosting setup | Multiple systems set to host the file (only one should) |
| Windows Firewall blocking QB ports | Communication ports not open |
| Damaged or missing .ND files | Network descriptor file prevents connection |
| QuickBooks services not running | QuickBooksDBXX and QBCFMonitor not active |
| DNS resolution errors | Server name not resolving on the client system |
Step 1: Download the latest version of the QuickBooks Tool Hub
Step 2: Go to Network Issues > QuickBooks Database Server Manager
Step 3: Scan the folder where the company file is saved
Step 4: Let the tool apply recommended network fixes
✅ Most QuickBooks multi-user issues are resolved using this tool.
On the host system only, go to:
File > Utilities > Host Multi-User Access
On all workstations, make sure it says:
File > Utilities > Stop Hosting Multi-User Access (do not enable hosting here)
Allow the following ports through Windows Firewall (based on your QuickBooks version):
8019, 56728, 55378-55382
Also add these executable files as exceptions:
QBDBMgrN.exe
QBCFMonitorService.exe
QuickBooksUpdateService.exe
Press Windows + R, type services.msc, and hit Enter
Locate and restart the following:
QuickBooksDBXX
QBCFMonitorService
Set both to Automatic startup
Open Command Prompt on the workstation and run:
ping [servername]
If you get a timeout, troubleshoot your network or DNS
Map the shared folder as a network drive:
Right-click This PC > Map Network Drive
Use \\ServerName\QBData as the path
Always back up QuickBooks files before updates
Don’t use wireless networks for hosting files
Assign static IPs to workstations and server
Update QuickBooks and Windows regularly
Limit admin rights on workstations
Run Verify & Rebuild Data Utility weekly
Q1. Are H202 and H505 errors only in QuickBooks Desktop?
Yes. These errors appear in QuickBooks Desktop multi-user environments—not in QuickBooks Online.
Q2. What is QuickBooks Database Server Manager?
It’s a utility that helps manage multi-user access and should be installed on the host computer. Use it to scan folders and open necessary ports.
Q3. Can I fix this without an IT team?
Yes, many users fix it with Tool Hub or by adjusting firewall and hosting settings. If you're unsure, call 1-855-749-2321 for guided help.
If your team can’t access the company file and you're stuck with QuickBooks Error H202 or H505, don’t wait. Our certified QuickBooks technicians can remotely fix the issue—fast and securely.
📲 Call 1-855-749-2321 for 24/7 multi-user mode repair support.