Install and Upgrade Considerations for erwin Data Modeler

Consider the following factors before you install erwin Data Modeler 2018 R1 or upgrade from an earlier version.

Install Considerations

Before you install erwin Data Modeler 2018 R1 on your computer, consider the following factors:

Enable .NET Framework

The Microsoft .NET Framework 3.5 is a prerequisite for erwin Data Modeler, Mart Server, and Navigator editions. For Windows 8.1, 10, and Windows Server 2012 operating system .NET Framework is installed by default but sometimes may not enabled. You must manually enable the .NET Framework before you install erwin Data Modeler for the following operating systems.

Windows 8.1 and 10
Windows Server 2012

Note: You cannot install erwin Data Modeler when .NET Framework is disabled.

Follow these steps:

Click Windows Start icon.
Do one of the following:
- For Windows 8.1 and 10:
  Type optionalfeatures.exe in the Search bar and press Enter.
- For Windows Server 2012 and 2016.
  Click Control Panel, Programs and Features, and Turn Windows features on or off.
The Windows Features window appears.
Select Microsoft .NET Framework 3.5 and click OK.
The Microsoft .NET Framework is enabled.
Restart the computer to configure the changes take effect.

You can now install erwin edition of your choice.

Navigator and Data Modeler Compatibility

If you want to install Navigator and Data Modeler editions on a computer, we recommend you to select the Navigator edition features from the features selection list of Data Modeler installer.

Install from a DVD

The Installation Wizard from the DVD allows you to install 32-bit or 64-bit version of erwin Data Modeler r9.8. Install the version of your choice depending on the architecture of your operating system.

Installation Path

When you uninstall r9.8 version of erwin products manually, sometimes the installation folders are not removed from the installation directory. You must manually remove the folders from the installation directory.

Upgrade Considerations

You can upgrade to erwin Data Modeler 2018 R1 32-bit or 64-bit edition from an earlier version. During the upgrade process for a 64-bit version, you may encounter the following situations:

Note: If you want to upgrade erwin Data Modeler from an earlier 9.x version to 2018 R1 (64-bit), we recommend you to first uninstall the earlier version of erwin Data Modeler manually and then install the latest version.

erwin Model Icons

When you install or upgrade to erwin Data Modeler 2018 R1 64-bit version, sometimes the erwin Model icons may appear differently. After you open a model for the first time, all the Model icon file associations are restored and the Model icons appear normally.

Start Menu Cleanup

When you upgrade to erwin Data Modeler 2018 R1 from any earlier release of r9 series, erwin-related shortcuts and folders may remain in the Start menu. You may manually delete the folders and shortcuts of the delete versions from the Start Menu.