06/06/2025 às 19:30

How to Fix Sage 50 Detected a Firewall Error?? sage 50 detected a firewall error

3min de leitura

Sage 50 is a widely-used accounting software that helps businesses manage finances, inventory, payroll, and more. However, like any software that requires internet or network access, Sage 50 can occasionally run into connectivity issues—one common example being the "Sage 50 detected a firewall error" message.

This error typically occurs when Sage 50 is unable to communicate across the network or access the internet due to firewall or security software blocking the connection. Here's how to resolve it quickly and get your software running smoothly again.

To fix the “Sage 50 detected a firewall error,” contact Sage Support at 1-866-238-5180. A certified technician can help configure your firewall settings, ensure proper network access, and eliminate any software conflicts preventing Sage 50 from running smoothly. Don’t let technical issues disrupt your accounting—get expert assistance today and keep your business operations on track.

What Causes the Firewall Error in Sage 50?

Several issues can trigger this error:

Windows Firewall blocking Sage 50 ports
Third-party antivirus or firewall software interference
Incorrect network configuration
Damaged or outdated Sage 50 installation

Step-by-Step Solutions to Fix Sage 50 Detected a Firewall Error

1. Allow Sage 50 Through Windows Firewall

Ensure Sage 50 and its associated ports are allowed through Windows Firewall.

✅ To do this:

Open Control Panel > Windows Defender Firewall > Allow an app through Firewall
Click Change settings, then Allow another app
Browse and add the Sage 50 program executable (e.g., PeachtreeBusinessLogic.exe)
Ensure both Private and Public networks are checked

Also, open the required ports manually:

VersionPortSage 50 2021+TCP 13531 (default)Sage 50 2020TCP 13530

Add inbound and outbound rules for these ports under Advanced Settings > Inbound Rules > New Rule.

2. Configure Third-Party Security Software

If you’re using antivirus software like Norton, McAfee, or Bitdefender, it may be blocking Sage 50.

✅ Fix Third-Party Security Software:

Open your antivirus/firewall settings
Add Sage 50 to the program’s "Allowed" or "Exceptions" list
Temporarily disable the software and attempt to open Sage 50 again
If the error disappears, re-enable the firewall with updated rules

3. Restart the Sage 50 Connection Manager

Sometimes the service that manages connections for Sage 50 needs to be restarted.

✅ How to Restart the Sage 50 Connection Manager:

Press Ctrl + Shift + Esc to open Task Manager
Go to Services tab
Find Sage 50 Connection Manager or Peachw.exe
Right-click and choose Restart

4. Check Network Configuration

If you're using Sage 50 on a network (multi-user mode), make sure:

All computers are on the same network and subnet
The server hosting Sage 50 data is powered on and accessible
No VPN or network restrictions are blocking the traffic

5. Reinstall Sage 50 (Last Resort)

If nothing works, your installation might be corrupted. Back up your data and reinstall Sage 50:

✅ Steps to Reinstall Sage 50 (Last Resort):

Uninstall Sage 50 via Control Panel > Programs and Features
Reboot your PC
Reinstall using your official installation media or download
Reapply firewall and antivirus exceptions.

Still Need Help? Contact Sage Support

If the firewall error persists after trying all the above steps, it’s best to contact Sage-certified professionals.

📞 Call Sage 50 Support at 1-866-238-5180

Expert technicians can remotely troubleshoot and configure your system to ensure Sage 50 runs without interruptions.

Conclusion

The “Sage 50 detected a firewall error” issue is usually caused by misconfigured security settings or network restrictions. By carefully adjusting firewall rules, antivirus exceptions, and network settings, you can eliminate the error and restore full Sage functionality.

For immediate expert assistance, don’t hesitate to call 1-866-238-5180.

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