1. Understand the upgrade paths. See Upgrade paths.

2. Back up existing data. See Back up data.

3. Remove the existing version of the server. See Uninstalling the server.

4. Install the server. See Installing the server.

You can upgrade to Flash Media Interactive Server 3.5 from the following:

• Flash Media Streaming Server 3.5

• Flash Media Interactive Server 3

• Flash Media Streaming Server 3

• Flash Media Server 2.x (Professional, Origin, and Edge editions)

You can upgrade to Flash Media Streaming Server 3.5 from the following:

• Flash Media Streaming Server 3

1. Before you upgrade to Flash Media Server 3.5, save copies of the following folders to another computer or to external media:

   • applications/

   • conf/

   • licenses/

   • modules/

   • webroot/

2. After installing the server, do the following:

   • Modify the new configuration files to match the settings from your old files that you want to keep. For example, host port settings, application and streams virtual folder settings, and so on. Restart the server.

     Important: Do not copy configuration files from previous versions of the server to Flash Media Server 3.5. You must manually edit the new configuration files to match your old settings.

   • Copying license files to Flash Media Server 3.5 is not required (no upgrade paths for license files).

   • If you have C++ plug‑ins (also called adaptors) that you want to reuse, recompile them. On Windows, use MicrosoftVisual Studio .NET 2003 or Microsoft Visual C++ 2005. On Linux, use GNU Compiler Collection 3.4.x. For more information, see Working with plug-ins.

   • Copy any applications you want to deploy on Flash Media Server 3.5 to the RootInstall/applications folder. (If you changed the default application folder, copy the applications to the new folder.)