Index: C:/develop/projects/typo3_4_0_1_svn/typo3_core/typo3/sysext/install/mod/class.tx_install.php
===================================================================
--- C:/develop/projects/typo3_4_0_1_svn/typo3_core/typo3/sysext/install/mod/class.tx_install.php	(revision 1681)
+++ C:/develop/projects/typo3_4_0_1_svn/typo3_core/typo3/sysext/install/mod/class.tx_install.php	(working copy)
@@ -1569,7 +1569,23 @@
 			",1);
 //	????			If this option was set falsely you probably didn't see this page in the first place, but this option <strong>may spoil this configuration test</strong> when checking for such as ImageMagick executables.
 		} else $this->message($ext, 'open_basedir: off',"",-1);
-
+		
+		/**
+		 * Check Session Support
+		 * No check possible if session support is availiable, intead check
+		 * if session name is set, if not raise error as its likly to have
+		 * no session support
+		 */
+		
+		if (ini_get('session.name'))	{
+			$this->message($ext, 'PHP sessions availiable',"
+				<i>PHP Sessions availiabe</i>
+				Your PHP is compiled with session support or session support is available. 
+				
+			",-1);
+		} else $this->message($ext, 'PHP Sessions not availiabe',
+			"Your PHP is not compiled with session support, or session support is disabled in you php.ini" .
+			"TYPO3 needs session support",3);
 	}
 
 	/**