Deployment in windows environment - ERROR

Hi guys, One of our clients is developing a Mendix app and deploying it themselves to a windows environment. They have followed the instructions as much as possible but now go stuck on the error descibed below when connecting to db for the first time. Any help is much apreciated. LR. They are running SQL Server 2008R2 (10.50.1600) Database: Microsoft SQL Server 10.50.1600, name: 'Mendix' Url: jdbc:sqlserver://xxxxxxx;databaseName=Mendix Driver: Microsoft SQL Server JDBC Driver 3.0 3.0.1301.101 databasereplication/actions/ImportActivitySet : Unsupported major.minor version 51.0 An error occurred while executing action 'start'. com.mendix.m2ee.api.AdminException: JVM Error! at com.mendix.m2ee.server.handler.HttpAdminHandler.handle( Caused by: java.lang.UnsupportedClassVersionError: databasereplication/actions/ImportActivitySet : Unsupported major.minor version 51.0 at java.lang.ClassLoader.defineClass1(Native Method) at java.lang.ClassLoader.defineClassCond(Unknown Source) at java.lang.ClassLoader.defineClass(Unknown Source) at Source) at Source) at$000(Unknown Source) at$ Source) at Method) at Source) at java.lang.ClassLoader.loadClass(Unknown Source) at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source) at java.lang.ClassLoader.loadClass(Unknown Source) at fs.<init>(SourceFile:87) at com.mendix.core.MxRuntime.y(SourceFile:243) at com.mendix.core.MxRuntime.x(SourceFile:221) at com.mendix.core.MxRuntime.a(SourceFile:203) at com.mendix.core.MxRuntime.b(SourceFile:156) at fz.execute(SourceFile:52) at com.mendix.m2ee.server.handler.HttpAdminHandler.handle( at org.eclipse.jetty.server.handler.HandlerWrapper.handle( at org.eclipse.jetty.server.Server.handle( at org.eclipse.jetty.server.HttpConnection.handleRequest( at org.eclipse.jetty.server.HttpConnection$RequestHandler.headerComplete( at org.eclipse.jetty.http.HttpParser.parseNext( at org.eclipse.jetty.http.HttpParser.parseAvailable( at org.eclipse.jetty.server.HttpConnection.handle( at at org.eclipse.jetty.util.thread.QueuedThreadPool$ at Source)
1 answers

I had this problem on my local laptop. It's related to the jdk and jre used. Make sure that the machine where mendix is installed on has got the correct JRE and JDK installed. All other versions should be removed. Also check the path in the console.