Removing JAR files from the endorsed\ folder
If you are upgrading from SDL Tridion 2009 SP1 , remove a set of JAR files that you were previously instructed to include in the lib\endorsed\ subfolder of your Java installation.
About this task
If you are upgrading from SDL Tridion 2009 SP1, then when setting up the Business Connector for that version on your Content Manager server, you were instructed to copy a number of JAR files to the lib\endorsed\ subfolder of your Java installation. As of SDL Tridion 2011 SP1, this is no longer necessary and you must remove these JAR files.
To do this, access your Java Runtime Environment (JRE) root directory. You can identify this directory as the value of the following key in your registry: HKLM\Software\JavaSoft\Java Runtime Environment\<VERSION>\JavaHome, where <VERSION> is the Java version you use. From this root directory, access the lib\endorsed\ subfolder and remove the following files in that location: