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Fix Sage Error 1722

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Fix Sage Error 1722

Get the step wise guidance to fix Sage 50 error 1722 through the below article. It is the most frequently occurring error with the failure of the proper installation of .Net or Java.

Sage 50 Error 1722 is related to Sage 300 CRE. The installation of Sage 50 300 CRE can be blocked due to Sage 50 Error 1722. The installer will crash after throwing the error. To install this software on your system, you’ll have to configure settings appropriately.

Error Code
Fix Sage Error 1722Developer:
Sage Group
Error Description

Error: “Error 1722” (windows machine that has a firewall)


Sage 50
A previously installed Assembly is preventing the Sage Service host from installing successfully. Applies to:

SymptomSage Host Unable to Install Possible Solution

Reinstall the Windows Firewall

Exact Error Shown While User Facing Fix Sage Error 1722

Error: “Error 1722” (windows machine that has a firewall)

The three reasons due to which Sage Error 1722 can arise are:

The cause for Sage Error 1722 is A previously installed Assembly is preventing the Sage Service host from installing successfully.

Read More Below:

  • .NET Framework
  • Windows Firewall
  • Java

.NET Framework

The .NET Framework is an important software for running any other software on windows platform. Many software rely on this framework to function properly. In order to install any Sage software, you must install .NET framework on your system.

You can download and install this framework. Also, once the framework is installed successfully, you can start installing Sage 50 300 CRE.


Outdated versions of Java have caused Sage error 1722 in the past. You need to uninstall the current version of Java and install a fresh updated copy. To do so, follow the steps provided below:

  • Log into Windows with an administrator account
  • Open Control Panel
  • Go to Programs and Features
  • Select Java and click on Uninstall
  • Install Java and restart your system
  • Launch the installation for Sage 300 CRE

Windows Firewall

Windows Firewall blocks any software or installation which is deems as malicious. If you downloaded a pirated copy, then we wary as it may have viruses. If you have a genuine copy from Sage or any other certified seller, then you should disable firewall on your system. Doing so is fairly easy, just follow the steps provided below:

  • Log into Windows with an administrator account
  • Open Firewall Settings
  • Click on Change settings
  • Click on Disable Firewall (Not Recommended)
  • Restart the installation

If the installation is successful, you can enable your firewall again. After the installation, if you encounter connectivity errors while using Sage 50 300 CRE, then you need to alter advanced firewall settings. There, you can create new rules for windows firewall. You should create both inbound and outbound rules for particular ports you want the firewall to allow through the connection. Also, store the name of these particular rules for future reference.


If the Windows Firewall service starts and is either disabled or enabled search the knowledge base for other causes of the 1722 Error.

To Know More Read Below:

  1. In the Windows Control Panel, select Windows Firewall. If you receive an error that the Windows Firewall Service cannot be started continue to step 2. If the Windows Firewall service starts and is either disabled or enabled search the knowledge base for other causes of the 1722 Error.
  2. If the firewall service does not start, click StartRun.
  3. Note: If you do not see a Run option, press WINDOWS KEY+R.
  4. Enter CMD in the run window and click OK or press ENTER.
  5. Type “Rundll32 setupapi,InstallHinfSection Ndi-Steelhead 132 %windir%\inf\netrass.inf”, press ENTER.
  6. You will get no onscreen dialog that the command has completed.
  7. In Windows Control Panel click Windows Firewall. You should receive a message that the service is not started but have the option to start the service.
  8. At the command prompt, type “Netsh firewall reset” and press ENTER.
  9. Click Start, click Run, type “firewall.cpl” and then press ENTER. In the Windows Firewall dialog box, click On (recommended), and then click OK.
  10. Start the Windows Firewall service.
  11. Restart the Sage 300 CRE installation.

What is Sage 300 CRE?

To manage construction and real estate related financial information, you can use Sage 50 300 CRE. The CRE in Sage 50 300 stands for Construction and Real Estate. These projects are often humongous and managing every aspect of them can be arduous. Hence, this software solution by Sage 50 group can help you immensely. Further, all your data can be accessed from multiple devices including desktop, laptop and smartphones.

Not only can you store information about the project, but also about the entire process and the involved parties. Financial information can be stored for each project and analyzed via various inbuilt reporting tools. This CRE software is highly customizable and will help you in boosting your profits.

How can AccountingErrors Help you?

See Also Fix Sage Error 1503


1. What are the significant causes of Sage error 1722?

💠 Unable to run a firewall
💠 .Net or current java version is creating the issue
💠 Sage service host is not installed correctly due to the previously installed Assembly.

2. When Sage error 1722 did happen?

Sage error 1722 is generally interrelated to Sage 300 CRE. It mainly occurs with the installation of Sage 300 CRE. Consequently, the Windows installer will crash. The reason behind the issue is not the proper availability of JAVA,.Net Framework & Windows Firewall.

3. How to start the windows firewall service to fix error 1722?

💠 Open run window
💠 Write CMD
💠 Hit on OK 
💠 Enter Rundll32 setupapi,InstallHinfSection Ndi-Steelhead 132 %windir%\inf\netrass.inf
💠 Hit on Enter button
💠 It will display an onscreen window that the command has completed.
💠 Locate Control Panel
💠 Hit on Firewall
💠 You should receive a notification that the service has not started, but there appears to be a button to run the service.
💠 Open Command prompt 
💠 Write Netsh firewall reset.
💠 Hit on the Enter key
💠 Choose the Start button and then open the Run window.
💠 Write firewall.cpl and then hit the enter key
💠 There appears a firewall dialog box. 
💠 Hit on On button
💠 Click OK

4. Is it important to install latest version of Java and .NET framework?

If you are encountering this error, then you should install the latest version of the software. The files for the tools might be damaged and hence, installing the latest version will resolve your issues.

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