How to Fix QuickBooks Error H202:
Complete Step-by-Step Guide
QuickBooks Error H202 stops you from accessing your company file in multi-user mode. Here’s exactly how to fix it — fast — with 6 proven solutions.
Seeing “Error H202: This company file is on another computer”? This means QuickBooks cannot connect to the company file hosted on another machine in your network. Don’t worry — this is one of the most common QuickBooks multi-user errors and it’s completely fixable. Follow the steps below.
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QuickBooks Error H202 typically appears when switching to multi-user mode — here’s how to fix it.
What Is QuickBooks Error H202?
QuickBooks Error H202 appears when you try to switch QuickBooks to multi-user mode but the software cannot connect to the company file hosted on another computer on your network.
The full error message usually reads:
“Error H202: This company file is on another computer, and QuickBooks needs some help connecting.”
RELATED ERROR CODES IN THE H-SERIES
- H101 — Company file is on another computer, single user setup issue
- H202 — Multi-user access blocked — most common
- H303 — This computer cannot be used to host the company file
- H505 — This computer cannot access the company file on another system
Error H202 — Sub-Types & What They Mean
| Error | What It Means | Most Likely Fix |
|---|---|---|
| H202 | Cannot connect to company file in multi-user mode | Fix hosting + run Database Server Manager |
| H202 + Firewall | Firewall blocking QuickBooks network ports | Add firewall exceptions for QB ports |
| H202 on all PCs | QuickBooks services not running on host | Restart QBDBMgrN and QBCFMonitorService |
| H202 after update | Update broke network configuration | Re-run Network Diagnostic Tool |
What Causes QuickBooks Error H202?
Understanding the root cause helps you pick the right fix immediately:
QB Services Not Running
QuickBooksDBXX or QBCFMonitorService is stopped or not running on the host computer.
Firewall Blocking QB
Windows Firewall or antivirus is blocking QuickBooks from communicating over the network.
Wrong Hosting Settings
Multiple computers are set to host the company file — only one should be the host.
DNS / IP Issue
The host computer’s IP address or hostname cannot be resolved by other computers on the network.
Network Ports Blocked
QuickBooks-specific network ports (8019, 56728, 55378–55382) are not open on the host.
Damaged .ND File
The network descriptor file (.ND) associated with the company file is corrupted.
6 Proven Solutions — Try in Order
Solution 1 Use QuickBooks File Doctor (Start Here)
QuickBooks File Doctor automatically diagnoses and fixes most H202 network and file errors. This is always the first thing to try.
- Download and install QuickBooks Tool Hub from Intuit’s official website
- Open QuickBooks Tool Hub → click “Company File Issues”
- Click “Run QuickBooks File Doctor”
- Select your company file from the dropdown
- Choose “Check your file and network” → click Continue
- Enter your QuickBooks admin password → click Next
- Wait 10–15 minutes for the full scan and repair to complete
- Once finished, try switching to multi-user mode again
Solution 2 Restart QuickBooks Services on Host Computer
If the QuickBooks database service has stopped running on your host computer, no other machine can connect. Here’s how to restart it:
- Go to the host computer (the one that stores the company file)
- Press Windows + R → type services.msc → press Enter
- In the Services window, look for QuickBooksDB (version number) — e.g., QuickBooksDB32
- Right-click it → click Restart
- Also find QBCFMonitorService → right-click → Restart
- Make sure both services show status: Running
- Now go to any workstation and try switching to multi-user mode
Solution 3 Fix Hosting Settings on All Computers
If multiple computers are set to host the company file, QuickBooks gets confused and throws H202. Only ONE computer should be the host.
- Open QuickBooks on every computer in the network
- Go to File → Utilities on each machine
- On the host/server computer: it should show “Stop Hosting Multi-User Access” ✅ — this means hosting is ON (correct)
- On all workstations: it should show “Host Multi-User Access” ✅ — this means hosting is OFF (correct)
- If any workstation shows “Stop Hosting” — click it to turn hosting OFF on that machine
- Now on the host computer go to File → Switch to Multi-User Mode
Solution 4 Add QuickBooks Firewall Exceptions
Windows Firewall often blocks QuickBooks network ports silently. You need to manually allow QuickBooks through the firewall on the host computer.
- On the host computer, open Windows Security → Firewall & network protection
- Click “Advanced settings” → then “Inbound Rules”
- Click “New Rule” → select “Port” → click Next
- Select TCP → enter these ports: 8019, 56728, 55378, 55379, 55380, 55381, 55382
- Select “Allow the connection” → click Next
- Check all three: Domain, Private, Public → click Next
- Name the rule “QuickBooks Ports” → click Finish
- Repeat the same steps for Outbound Rules
- Restart QuickBooks and try multi-user mode again
Solution 5 Rename the .ND File
The .ND (Network Descriptor) file tells QuickBooks where the company file is on the network. If it’s corrupted, H202 appears. Renaming it forces QuickBooks to rebuild it fresh.
- On the host computer, open Windows File Explorer
- Navigate to the folder where your company file (.QBW) is stored
- Find the file with the same name as your company file but with a .ND extension
- Right-click it → Rename → add .OLD at the end
(e.g., CompanyFile.qbw.nd becomes CompanyFile.qbw.nd.OLD) - Open QuickBooks Tool Hub → Network Issues → QuickBooks Database Server Manager
- Click Scan Folders → add the folder with your company file → click Scan
- Once done, a new .ND file will be created automatically
- Try switching to multi-user mode again
Solution 6 Check Host Computer Name & Network
If QuickBooks workstations can’t find the host computer by name on the network, H202 appears. This is a DNS or network configuration issue.
- On the host computer, press Windows + R → type cmd → press Enter
- Type ipconfig and press Enter — note the IPv4 address (e.g., 192.168.1.10)
- On a workstation, open cmd → type ping [host computer name] → press Enter
- If ping fails or times out → the workstation can’t find the host by name
- Fix: Open the hosts file on each workstation: C:\Windows\System32\drivers\etc\hosts
- Add this line at the bottom: [IP address] [host computer name]
Example: 192.168.1.10 ACCOUNTINGPC - Save the file and restart QuickBooks on all workstations
How to Prevent QuickBooks Error H202 in Future
- ✅ Keep QuickBooks updated to the latest version on all computers
- ✅ Only allow one computer to host the company file at a time
- ✅ Set QuickBooks services to Automatic startup so they always run
- ✅ Keep QuickBooks firewall exceptions configured correctly
- ✅ Use a stable wired network for the host computer — avoid Wi-Fi for hosting
- ✅ Work with a professional bookkeeping team who manages your QB setup correctly
- ✅ Take regular backups so your data is always safe
QB Care’s expert team handles your QuickBooks setup, bookkeeping, payroll, and more — across the USA.
Still Getting QuickBooks Error H202?
Let QB Care’s expert team fix it for you — and handle your complete bookkeeping, payroll, and tax needs so errors like this never slow you down again.
📞 Contact QB Care Today View PricingFrequently Asked Questions
QuickBooks Error H202 occurs when QuickBooks cannot connect to a company file hosted on another computer in multi-user mode. It’s caused by blocked network ports, incorrect hosting settings, stopped QB services, or firewall restrictions.
In single-user mode, QuickBooks reads the file directly. In multi-user mode, it needs to communicate over the network with the host computer running QuickBooks Database Server Manager. Any network issue — firewall, services, DNS — can trigger H202.
Yes — in most cases Solutions 1–3 in this guide (File Doctor, restarting services, fixing hosting settings) will resolve H202 without needing IT support. If the issue involves firewall ports or network DNS, you may need basic administrator access. QB Care can also assist remotely.
No — all solutions in this guide are network and configuration fixes. They do not modify, delete, or affect your QuickBooks company file data in any way.
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