diff --git a/phpgwapi/inc/class.auth_ldap.inc.php b/phpgwapi/inc/class.auth_ldap.inc.php
index f2c7e1a6ea..0dda40bfd7 100644
--- a/phpgwapi/inc/class.auth_ldap.inc.php
+++ b/phpgwapi/inc/class.auth_ldap.inc.php
@@ -38,6 +38,11 @@
 			error_reporting(0); 
 
 			$ldap = ldap_connect($phpgw_info['server']['ldap_host']);
+			if (! $ldap)
+			{
+				$phpgw->log->message('F-Abort, Failed connecting to LDAP server for authenication, execution stopped');
+				$phpgw->log->commit();
+			}
 
 			/* find the dn for this uid, the uid is not always in the dn */
 			$sri = ldap_search($ldap, $phpgw_info['server']['ldap_context'], 'uid='.$username);
diff --git a/phpgwapi/inc/class.common.inc.php b/phpgwapi/inc/class.common.inc.php
index 0fbd16abc9..5838bfe540 100644
--- a/phpgwapi/inc/class.common.inc.php
+++ b/phpgwapi/inc/class.common.inc.php
@@ -196,7 +196,7 @@
 		*/
 		function ldapConnect($host = '', $dn = '', $passwd = '')
 		{
-			global $phpgw_info;
+			global $phpgw_info, $phpgw;
 
 			if (! $host)
 			{
@@ -216,6 +216,9 @@
 			// connect to ldap server
 			if (! $ds = ldap_connect($host))
 			{
+				$phpgw->log->message('F-Abort, Failed connecting to LDAP server');
+				$phpgw->log->commit();
+
 				printf("<b>Error: Can't connect to LDAP server %s!</b><br>",$host);
 				return False;
 			}
@@ -223,6 +226,9 @@
 			// bind as admin, we not to able to do everything
 			if (! ldap_bind($ds,$dn,$passwd))
 			{
+				$phpgw->log->message('F-Abort, Failed binding to LDAP server');
+				$phpgw->log->commit();
+
 				printf("<b>Error: Can't bind to LDAP server: %s!</b><br>",$dn);
 				return False;
 			}
diff --git a/phpgwapi/inc/class.sessions.inc.php b/phpgwapi/inc/class.sessions.inc.php
index 5266983910..463baab20f 100644
--- a/phpgwapi/inc/class.sessions.inc.php
+++ b/phpgwapi/inc/class.sessions.inc.php
@@ -127,6 +127,8 @@
 			$this->read_repositories($phpgw_info['server']['cache_phpgw_info']);
 			if ($this->user['expires'] != -1 && $this->user['expires'] < time())
 			{
+				$phpgw->log->message('W-VerifySession, account loginid %1 is expired',$this->account_lid);
+				$phpgw->log->commit();
 				return False;
 			}
 
@@ -138,6 +140,9 @@
 
 			if ($userid_array[1] != $phpgw_info['user']['domain'])
 			{
+				$phpgw->log->message('W-VerifySession, the domains %1 and %2 don\t match',$userid_array[1],$phpgw_info['user']['domain']);
+				$phpgw->log->commit();
+
 				return False;
 			}
 
@@ -145,6 +150,10 @@
 			{
 				if (PHP_OS != 'Windows' && (! $phpgw_info['user']['session_ip'] || $phpgw_info['user']['session_ip'] != $this->getuser_ip()))
 				{
+					// This needs some better wording
+					$phpgw->log->message('W-VerifySession, IP %1 doesn\'t match IP %2 in session table',$this->getuser_ip(),$phpgw_info['user']['session_ip']);
+					$phpgw->log->commit();
+
 					return False;
 				}
 			}
@@ -156,6 +165,10 @@
 
 			if (! $this->account_lid)
 			{
+				// This needs some better wording
+				$phpgw->log->message('W-VerifySession, account_id is empty');
+				$phpgw->log->commit();
+
 				return False;
 			}
 			else
@@ -251,6 +264,9 @@
 			$this->read_repositories(False);
 			if ($this->user['expires'] != -1 && $this->user['expires'] < time())
 			{
+				$phpgw->log->message('W-LoginFailure, account loginid %1 is expired',$this->account_lid);
+				$phpgw->log->commit();
+
 				return False;
 			}