How to Fix Sage 50 error 1603

How to Fix Sage 50 error 1603

You have recently bought a CD of Sage 50 accounting software or have purchased it online after hearing its praise from others or reading articles recommending it for your business. But as soon as you begin the installation process, an error 1603 pops up preventing you from proceeding further. Wouldn’t that be frustrating?

If you are experiencing this too or thinking about buying Sage 50, read this blog as here we will tell you the reasons you could face this error and some quick tips for you to troubleshoot this error. 

Related Article: How to install Sage 50 on Shared Server

What is Sage 50 Error 1603?

Error code 1603, which is displayed with the message “Fatal error during installation” is a glitch which a lot of users of the Sage 50 accounting software face while installing this application on their computer. 

What are the Causes for Error 1603 to Pop Up on my Sage 50 Accounting Application?

The three major reasons due to which error 1603 may get displayed while updating the Sage 50 application are-

  1. Your system’s disk does not have enough space for storing Sage 50.
  2. There are issues related to the Microsoft .NET framework present on your system.
  3. The firewall or the anti-virus software installed on your system is restricting the update.

What are the ways by Which I can Prevent Error 1603 form Occurring on Sage 50?

Before you start with the troubleshooting process, it is recommended that you check whether your computer meets the system requirements needed to install Sage 50.You can implement one of the solutions listed below according to the cause which has resulted Sage 50 to display error 1603 on your computer-

Method 1: By Clearing the Disk Space

  1. Log in to the user where you want to install Sage 50.
  2. Now, open Windows Explorer.
  3. Then, click on My Computer and check whether there is adequate space to install Sage 50.
  4. If you are low on space, free up the disc space .You can also change the installation folder.

Also Read: Sage 50 Error 0x80040707 When Installing

Method 2: By Inspecting the log Files for Errors

  1. Click on Start, and then in the search field type %temp% and then press Enter.
  2. In the folder, you have to right click on the folder PracticeSuiteInstallerLogs.Select Send to and choose the Compressed Zip Folder option
  3. Now, right click on this zip file which is present in the Temp folder, and then select Cut. Go to your desktop, right click and choose Paste.
  4. Email this file to Sage or your local IT assistance so that the errors could be rectified.

Method 3: By Running the Install Checker

You can manually run the Sage Installation Checker by – 

  1. Clicking on the Start menu on your desktop and then select Computer. Go to the file path C:\Program Files\Sage\Sage Taxation\Server\SageTaxationReadOnlyDir\Tools
  2. Double click on InstChkr.exe. If you are prompted that there is an installation in progress and do you wish to proceed, then click on Yes.
  3. Click the Yes option again when prompted to perform data scanning. The installation checker will then inform if there are any errors.

Method 4: By Creating a test Share

A test share in this case is checking whether you can create a folder and share it.

  1. Begin by right clicking on your desktop and click on New and then select Folder.
  2. Now, right click the folder you have just created and go to Properties.
  3. Then click on the Sharing tab and choose Advanced Sharing option.
  4. After that a window will pop up. Here select Share THIS FOLDER.
  5. Click on Permissions and then select the option “Everyone” under Full control.
  6. Now, open the Start menu and type \\%computername% in the search field.
  7. Try accessing the share which has been just created by you. Installation has no issue with creating the shared folder if you are able to access them. But, if you are not, then contact an IT professional for a resolution.

Method 5: By Temporarily Disabling the Firewall and Anti-virus

It is recommended that you disable the anti-virus and firewall present on your system and attempt to install Sage 50 again. If Sage 50 installs after that, it becomes clear that the there is an issue with the anti-virus or firewall. If Sage 50 does not install until you have disabled the anti-virus or the firewall, then you have to configure their settings to contact an IT expert so that they do not interfere later while you work with Sage 50. 

To disable Windows Firewall on your computer:

  1. Click on Start and then select Control Panel. Choose System and Security and then choose Windows Firewall (you can click on Windows Firewall on Control Panel if you are using Windows 7.)
  2. Now, click on Turn Windows Firewall on or off option on the left.
  3. Then, select Turn off Window Firewall option for the network you are using.

Method 6: By Turning off the Windows File Sharing Wizard

Windows file sharing wizard is used for efficiently controlling shared folders, but it can also prevent the installation of some software. Therefore you can turn it off by-

  1. Click on Start and enter \\%computername% in the Search field situated at the bottom.
  2. Now, open SageTaxationShareDir or SCTSharedIR . To create a new folder, right click and click on New and then select Folder.
  3. Then delete the folder which you have created in step 2. This will also delete the privileges. There is no issue due to shared folders if you could create and delete a folder. But, you need to get in touch with an IT expert if you cannot do so as this indicates a permission related issue. 

Method 7: By Checking Whether Permissions are Provided in Other Directories.

  1. %temp% Directory Permissions
    • Click on the Start menu and then type %temp% in the search filed.
    • Now, if it opens without any problem then it is not the cause, otherwise you have to contact an IT professional if you are not able to access the folder.
  2. SQL director permissions
    • Click on Start and select Computer from the menu.
    • Go to the SQL directory which is usually in the format C:\Program Files\Microsoft SQL Server\….
    • Now, open the MSSQL folder and right click the data folder.
    • Click on the Security tab and press the Edit button.
    • Select the user SQLServerMSSQLUser from the Group or User Names box.
    • Check the box next to Full Control in the Permission For box.
    • Lastly, close the Properties window by clicking on Apply and then on the OK button.


Our experts at have compiled the best possible solutions in this blog for you to implement according to the cause of this error .We understand that it is important for you to fix this error quickly so that you take Sage 50 on board and manage your daily accounting tasks efficiently.

There are a few solutions that could prove tricky for some of our users to follow since they are complex and require some expertise in IT. If you are stuck somewhere or the error still persists on your system, then you can give us a phone call or use our chat assistance feature to get all answers related to error 1603 and Sage 50.


Does Sage 50 require administrator permissions for getting installed on my system

Yes, for installing the Sage 50 application, the user must be a local administrator having sufficient administrative rights.

Should I turn Windows Firewall back on after updating Sage 50?

Yes, since Windows Firewall protects your system from potential threats, it is recommended that it is turned back after installation.

How can .NET Framework cause error 1603 on Sage 50?

If .NET Framework 3.5.1 is embedded with Windows SBS2011 then it can affect its stability and also the working of tools and software.