Problem
When running the Web Viewer installer, the installation program quits immediately without leaving a log file. Error message mentions "error 1603".
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- Ensure that "Enable 32-Bit Applications" is set to "True" for the DefaultAppPool
- Ensure that the Default web application has a http binding to port 80
- Ensure that the Default web application has ID 1
- Ensure that "Enable IIS 6 compatibility" is installed in the "Turn Windows Features On or Off" section of the "Program and Features" Control panel.
- Ensure that the installer is run by an Administrator
Installation of Signifikant Server or Web application, version 5.0 or earlier.
Background: 32-bit installer
Error 1603 can occur when the (default) app pool of IIS does not allow 32-bits applications. . This is valid for installation of Signifikant Server or Web application, version 5.0 or earlier.
Version dependency
Prior to version 4.2.2 Signifikant requires to be run in 32-bit mode in IIS.
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When searching for the error, here is an explanation: https://codeasp.net/blogs/microsoft-net/1214/msi-installer-error-custom-action-completed-with-return-code-340
To enable IIS 6 compatibility. Go to Control panel -> Program and Features-> Turn Windows Features On or Off and modify as shown in the image below:
Background: Installer must be run by an administrator
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