diff --git a/docs/upgrades/upgrade_4.8.0-4.9.0.sql b/docs/upgrades/upgrade_4.8.0-4.9.0.sql
index fa4cd7d4e..408510286 100644
--- a/docs/upgrades/upgrade_4.8.0-4.9.0.sql
+++ b/docs/upgrades/upgrade_4.8.0-4.9.0.sql
@@ -1,5 +1,11 @@
 insert into webguiVersion values ('4.9.0','upgrade',unix_timestamp());
-
+create table authentication (userId int(11) not null, authMethod varchar(30) not null, fieldName varchar(128) not null, fieldData text, primary key (userId, authMethod, fieldName));
+insert into authentication select userId,'LDAP','ldapUrl',ldapURL from users;
+insert into authentication select userId,'LDAP','connectDN',connectDN from users;
+insert into authentication select userId,'WebGUI','identifier',identifier from users;
+alter table users drop column identifier;
+alter table users drop column ldapURL;
+alter table users drop column connectDN;
 
 
 
diff --git a/sbin/convertDBtoPA.pl b/sbin/convertDBtoPA.pl
deleted file mode 100644
index e9590e62b..000000000
--- a/sbin/convertDBtoPA.pl
+++ /dev/null
@@ -1,47 +0,0 @@
-our ($webguiRoot, $configFile);
-
-BEGIN {
-        $configFile = "WebGUI.conf";
-        $webguiRoot = "..";
-        unshift (@INC, $webguiRoot."/lib");
-	print 	"\n".
-		"This program converts the old userauthentication system to the new (pluggable)\n".
-		"one. It does NOT delete the old system so you can always use an older stable\n". 
-		"WebGUI release. If you don't want to return to the primitive days without\n".
-		"pluggable authentication, you should delete the 'ldapURL', 'connectDN' and the\n".
-		"'identifier' columns from the users table\n\n";
-} 
-
-use strict;
-use WebGUI;
-use WebGUI::SQL;
-use WebGUI::Session;
-use WebGUI::Utility;
-
-#--- Open a session for easy use of WebGUI::SQL --------------------------
-print "Opening WebGUI Session...";
-WebGUI::Session::open($webguiRoot, $configFile);
-print	"Ready\n\n";
-
-#--- Check if the authentication table already exists --------------------
-my @tables = WebGUI::SQL->buildArray("show tables");
-die "Table 'authentication' already exists!\n" if isIn('authentication', @tables);
-
-#--- Create the authentication table -------------------------------------
-print "Creating authentication table...";
-my $sql = "create table authentication (userId int(11) not null, authMethod varchar(30) not null, fieldName varchar(128) not null, fieldData text, primary key (userId, authMethod, fieldName))";
-WebGUI::SQL->write($sql);
-print "OK\n\n";
-
-#--- And go convert ------------------------------------------------------
-my $sth = WebGUI::SQL->read("select * from users");
-while (my %hash = $sth->hash) {
-	print "Converting user $hash{username} (id: $hash{userId})";
-	WebGUI::SQL->write("insert into authentication values ($hash{userId}, 'LDAP',  'ldapUrl', ". quote($hash{ldapUrl}) .")");
-	print ".";
-	WebGUI::SQL->write("insert into authentication values ($hash{userId}, 'LDAP',  'connectDN', ". quote($hash{connectDN}) .")");
-	print ".";
-	WebGUI::SQL->write("insert into authentication values ($hash{userId}, 'WebGUI',  'identifier', ". quote($hash{identifier}) .")");
-	print "OK\n";
-	
-}