Index: branches/5.0.x/core/install/install_schema.sql
===================================================================
diff -u -r12264 -r12399
--- branches/5.0.x/core/install/install_schema.sql	(.../install_schema.sql)	(revision 12264)
+++ branches/5.0.x/core/install/install_schema.sql	(.../install_schema.sql)	(revision 12399)
@@ -320,21 +320,21 @@
 );
 
 CREATE TABLE UserSession (
-  SessionKey int(10) unsigned NOT NULL default '0',
-  CurrentTempKey int(10) unsigned default NULL,
-  PrevTempKey int(10) unsigned default NULL,
-  LastAccessed int(10) unsigned NOT NULL default '0',
-  PortalUserId int(11) NOT NULL default '-2',
-  `Language` int(11) NOT NULL default '1',
-  Theme int(11) NOT NULL default '1',
-  GroupId int(11) NOT NULL default '0',
-  IpAddress varchar(20) NOT NULL default '0.0.0.0',
-  `Status` int(11) NOT NULL default '1',
-  GroupList varchar(255) default NULL,
-  tz int(11) default NULL,
-  PRIMARY KEY  (SessionKey),
+  SessionKey int(10) unsigned NOT NULL DEFAULT '0',
+  LastAccessed int(10) unsigned NOT NULL DEFAULT '0',
+  PortalUserId int(11) NOT NULL DEFAULT '-2',
+  `Language` int(11) NOT NULL DEFAULT '1',
+  Theme int(11) NOT NULL DEFAULT '1',
+  GroupId int(11) NOT NULL DEFAULT '0',
+  IpAddress varchar(20) NOT NULL DEFAULT '0.0.0.0',
+  `Status` int(11) NOT NULL DEFAULT '1',
+  GroupList varchar(255) DEFAULT NULL,
+  tz int(11) DEFAULT NULL,
+  BrowserSignature varchar(32) NOT NULL,
+  PRIMARY KEY (SessionKey),
   KEY UserId (PortalUserId),
-  KEY LastAccessed (LastAccessed)
+  KEY LastAccessed (LastAccessed),
+  KEY BrowserSignature (BrowserSignature)
 );
 
 CREATE TABLE EmailLog (