How to Fix Sage Taxation Error 1603

Last updated: November 30th, 2022
Sage 50 error 1603

There are many features and tools that Sage 50 offers, but it’s not surprising if you’re aware of them. Despite this, no software is bug-free, which is where our team comes in. We’re committed to making your experience with Sage 50 as stressless as possible by providing prompt responses no matter the issue.

Many of our regular readers have been informing us that they’ve been experiencing the Sage Taxation Error code 1603 quite often recently. It can be difficult to experience errors while doing important work, making this blog relevant to your situation. This blog has solutions with no-nonsense approaches that can help you fix the problem once and for all!

What is the Sage Taxation Error 1603?

Sage Taxation Error 1603, also known as the install shield error, occurs during the installation of Sage 50. (1603 Failed Installation Error) This error arises due to corrupt installation files or because of interference from other software programs.

Some of the specific reasons due to which Sage Taxation Error 1603 occurs include:

  • Unavailability of Disk Space : Sometimes, when installing Sage software, you receive errors like: “Error 1603 – Insufficient disk space.” If this happens, it’s likely because your disk space is too low. This typically happens when malware or viruses have been installed. To solve the issue, you may see an error message that says “Filled Disk Space.”
  • File Encryption: Your installation process can be blocked due to the wrong encryption. If this happens, you’ll not be able to access the Sage file.
  • UAC Settings in Windows : The most common reason your installation process may be restricted is because User Accounts Control settings are set to prevent installation of your software. Your app may also have its own restrictions that are set because of UAC settings.
  • Active Antivirus or Firewall Software : You may not be able to start your installation process because of various software. This could also result in foreign software being considered a threat, and as a result, it might break your installation process.

What Causes the Sage Error Code 1603?

This error may be caused by a variety of tech issues, the most common of which are mentioned below –

  • Your computer system does not meet the minimum system requirements of the software product.
  • Some necessary administrator permissions are not available for the selected user.
  • The SQL service is running without any issues.
  • Windows Firewall or anti-virus is preventing the installer from functioning properly.
  • It looks like the Windows File Sharing Wizard is interfering with the installation process.
  • It’s not possible for the computer to access Shared folders on this network.

If you get the error 1603, 1704, 1721, 1618, 1628, or any other error related to Sage software uninstallation via Windows installation engine, it might be because Microsoft is performing an update before uninstalling your current version.

How to Fix The Sage 50 Taxation Error 1603?

Depending upon the cause behind the error, there are different steps aimed towards fixing it. Here are some of the ways to manually resolve the error.

1. Not Enough Disk Space

So there’s this issue of not having enough disk space, and the user can do something about it. They can go for defragmentation which will help them out. To start the process, follow the steps we’ve included to get started.

  1. Right click on the disk and click on Properties.
  2. Now go to the tools tab and click on disk defragment
  3. Click on analyze.
  4. Follow the wizard to complete the disk defragmentation process.

2. Problem With .NET Framework

Microsoft’s.NET framework consists of libraries that software writers use to create and run applications on Windows computers. It is a prerequisite for some software and others need only a few from the framework.

  1. Go to the Control Panel
  2. Click on Programs and Features
  3. Select .NET Framework and click repair
  4. Install a clean copy of this framework if the error still persists.

If the issue still exists, you will need to either uninstall and re-install the .NET Framework or completely restart your computer. To do so, you’ll need to go to the Microsoft site and download the installer. Make sure that you install it on your PC’s operating system.

3. User Account Control Setting

  1. Go to the Control Panel and search for User Account Controls
  2. Select ‘Change user account setting’
  3. Set User Account Control to none

4. Check if you have the Admin Privileges

  • Press the Windows key and type “R”
  • For Windows PC users, the Windows Run menu will now appear.
  • Type Control Panel in the Open text box
  • Click OK.
  • Now, from the View by drop-down box, choose Large icons.
  • Click on User Accounts
  • Go to Manage User Accounts.

To find out what permissions you have, check the Group column in your User Settings. If the name Administrators is displayed, you have administrative privileges. If not, contact your IT support or network administrator to provide you with administrator privileges.

This Read: Sage 50 Not Backing Up

If you find that your antivirus is interfering with the installation of the Sage software

If your antivirus is interfering with the installation of Sage, you should add an exclusion for it to ensure that Windows doesn’t block the software. To do so in Windows 10, please follow the steps below-

  • Go to Start
  • Click on Settings
  • Go to the Update & Security section
  • Click Windows Security
  • Go to Virus & threat protection.
  • In Virus & threat protection settings, choose Manage settings
  • Go to Exclusions
  • Click on Add or remove exclusions.
  • Select Add an Exclusion
  • Select the Sage program
  • Folder exclusion will apply to all the subfolders within the folder as well.

Because our software may create errors during installation or uninstallation, we suggest you contact us as soon as possible. We also have a great support team that can help you find solutions for any issues if the error you are encountering is not in our website. We do this because we want to make sure that your experience with Sage is just what you envision it will be.. This should solve your problem. For expert help, call us at and our experts will help fix the issue for the smooth performance of your Sage 50 Accounting software.

Frequently Asked Questions

  1. How do I check the log files for Sage 50 Error code 1603?

    If you’re seeing a message from Sage 50 such as an installation error that says “Sage 50 error code 1603 is an installation error” and if you’ve followed our step-by-step solution and still can’t figure out what’s wrong, check your logs. Here’s how:
    1. Find and open the %temp% folder within the Windows Start menu. From there, type in “followers” and press Enter.
    2. Right-click on the Practice Suite Installer Logs folder
    3. Once you are done editing, select Send to >> Compressed Zip Folder
    4. Now, make a right-click on the zip file that you just found and select All files.
    5. Sometimes you might need to select the text you want and then make a right-click. This will allow you to use your computer’s text selection tools and paste it into the text input box.

  2. Could not be Removed Error Code 1603?

    The error code 1603 might happen on a computer that doesn’t have enough disk space to install the setup and store rollback files. You should check if there is enough space on the root drive of the computer.

  3. What are the System Requirements if I receive 1603 Failed Installation errors?

    The most important thing for users to consider is what software requirements your system will meet for Sage to run. There are also compatibility issues that need to be checked before an installation. Here are some things to keep in mind:
    1. Server operating system
    2. Operating system
    3. Free disk space- At least 10 GB of free space is required.

  4. What To Do If I am having .NET 3.5 with Server 2012 and facing Sage 50 Error Code 1603

    Before you start troubleshooting, make sure .NET 3.5 is enabled in your system.
    1. Download the Server Manager from here.
    2. Go to the Manage page, find Add Roles and Features, and click on this option
    3. Now, click Next for 4 times
    4. Make sure that the .NET Framework 3.5 features is checked on the Features tab
    5. But if it’s not installed, then click Install to install it on your device.
    6. When the installation of Sage 50 is finished, then try again to install it. Protection Status


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