diff --git a/pandora_server/lib/PandoraFMS/Core.pm b/pandora_server/lib/PandoraFMS/Core.pm
index 1f78ab8079..7817a40167 100644
--- a/pandora_server/lib/PandoraFMS/Core.pm
+++ b/pandora_server/lib/PandoraFMS/Core.pm
@@ -7010,8 +7010,21 @@ Returns 1 if this server is the current master, 0 otherwise.
 
 =cut
 ##########################################################################
-sub pandora_is_master ($) {
-	my ($pa_config) = @_;
+sub pandora_is_master ($;$) {
+	my ($pa_config, $dbh) = @_;
+
+	# When multiprocess is enabled the variable $Master is not shared between
+	# servers.
+	if (defined($dbh) && $pa_config->{'multiprocess'} == 1) {
+		my $current_master = get_db_value_limit ($dbh, 'SELECT name FROM tserver 
+	                                  WHERE master <> 0 AND status = 1
+									  ORDER BY master DESC', 1);
+		if (defined($current_master) && $current_master eq $pa_config->{'servername'}) {
+			return 1;
+		}
+
+		return 0;
+	}
 
 	if ($Master eq $pa_config->{'servername'}) {
 		return 1;
diff --git a/pandora_server/lib/PandoraFMS/DiscoveryServer.pm b/pandora_server/lib/PandoraFMS/DiscoveryServer.pm
index 3dc3d44f17..cc9b8fe963 100644
--- a/pandora_server/lib/PandoraFMS/DiscoveryServer.pm
+++ b/pandora_server/lib/PandoraFMS/DiscoveryServer.pm
@@ -143,7 +143,7 @@ sub data_producer ($) {
   # By default, after create a tasks it takes the utimestamp to 0
   # Status -1 means "done".
   my @rows;
-  if (pandora_is_master($pa_config) == 0) {
+  if (pandora_is_master($pa_config, $dbh) == 0) {
     @rows = get_db_rows ($dbh, 'SELECT * FROM trecon_task 
       WHERE id_recon_server = ?
       AND disabled = 0
diff --git a/pandora_server/lib/PandoraFMS/InventoryServer.pm b/pandora_server/lib/PandoraFMS/InventoryServer.pm
index e6b070f4d8..daab7f624f 100644
--- a/pandora_server/lib/PandoraFMS/InventoryServer.pm
+++ b/pandora_server/lib/PandoraFMS/InventoryServer.pm
@@ -83,7 +83,7 @@ sub data_producer ($) {
 	my @tasks;
 	my @rows;
 
-	if (pandora_is_master($pa_config) == 0) {
+	if (pandora_is_master($pa_config, $dbh) == 0) {
 		if ($pa_config->{'dbengine'} ne 'oracle') {
 			@rows = get_db_rows ($dbh,
 				'SELECT tagent_module_inventory.id_agent_module_inventory, tagent_module_inventory.flag, tagent_module_inventory.timestamp
diff --git a/pandora_server/lib/PandoraFMS/NetworkServer.pm b/pandora_server/lib/PandoraFMS/NetworkServer.pm
index 87ef0fe2c7..6d0b848fb1 100644
--- a/pandora_server/lib/PandoraFMS/NetworkServer.pm
+++ b/pandora_server/lib/PandoraFMS/NetworkServer.pm
@@ -96,7 +96,7 @@ sub data_producer ($) {
 	my @rows;
 	my $network_filter = enterprise_hook ('get_network_filter', [$pa_config]);
 	
-	if (pandora_is_master($pa_config) == 0) {
+	if (pandora_is_master($pa_config, $dbh) == 0) {
 		@rows = get_db_rows ($dbh, 'SELECT tagente_modulo.id_agente_modulo, tagente_modulo.flag, tagente_estado.current_interval + tagente_estado.last_execution_try AS time_left, last_execution_try
 		FROM tagente, tagente_modulo, tagente_estado
 		WHERE server_name = ?
diff --git a/pandora_server/lib/PandoraFMS/PluginServer.pm b/pandora_server/lib/PandoraFMS/PluginServer.pm
index 9751372d04..a8cbd159b5 100644
--- a/pandora_server/lib/PandoraFMS/PluginServer.pm
+++ b/pandora_server/lib/PandoraFMS/PluginServer.pm
@@ -96,7 +96,7 @@ sub data_producer ($) {
 	my @tasks;
 	my @rows;
 
-	if (pandora_is_master($pa_config) == 0) {
+	if (pandora_is_master($pa_config, $dbh) == 0) {
 		@rows = get_db_rows ($dbh, 'SELECT tagente_modulo.id_agente_modulo, tagente_modulo.flag, tagente_estado.current_interval + tagente_estado.last_execution_try AS time_left, last_execution_try
 			FROM tagente, tagente_modulo, tagente_estado
 			WHERE server_name = ?
diff --git a/pandora_server/lib/PandoraFMS/PredictionServer.pm b/pandora_server/lib/PandoraFMS/PredictionServer.pm
index 282a8eeb20..dfa70f38db 100644
--- a/pandora_server/lib/PandoraFMS/PredictionServer.pm
+++ b/pandora_server/lib/PandoraFMS/PredictionServer.pm
@@ -93,7 +93,7 @@ sub data_producer ($) {
 	my @tasks;
 	my @rows;
 	
-	if (pandora_is_master($pa_config) == 0) {
+	if (pandora_is_master($pa_config, $dbh) == 0) {
 		@rows = get_db_rows ($dbh, 'SELECT tagente_modulo.id_agente_modulo,
 				tagente_modulo.flag, last_execution_try
 			FROM tagente, tagente_modulo, tagente_estado
diff --git a/pandora_server/lib/PandoraFMS/WMIServer.pm b/pandora_server/lib/PandoraFMS/WMIServer.pm
index 2b053c7ce0..2a01cf89dd 100644
--- a/pandora_server/lib/PandoraFMS/WMIServer.pm
+++ b/pandora_server/lib/PandoraFMS/WMIServer.pm
@@ -94,7 +94,7 @@ sub data_producer ($) {
 	my @tasks;
 	my @rows;
 
-	if (pandora_is_master($pa_config) == 0) {
+	if (pandora_is_master($pa_config, $dbh) == 0) {
 		@rows = get_db_rows ($dbh, 'SELECT tagente_modulo.id_agente_modulo, tagente_modulo.flag, tagente_estado.current_interval + tagente_estado.last_execution_try  AS time_left, last_execution_try
 			FROM tagente, tagente_modulo, tagente_estado
 			WHERE server_name = ?
diff --git a/pandora_server/lib/PandoraFMS/WebServer.pm b/pandora_server/lib/PandoraFMS/WebServer.pm
index 7f66d8ad89..40b4af3073 100644
--- a/pandora_server/lib/PandoraFMS/WebServer.pm
+++ b/pandora_server/lib/PandoraFMS/WebServer.pm
@@ -124,7 +124,7 @@ sub data_producer ($) {
 	my @tasks;
 	my @rows;
 
-	if (pandora_is_master($pa_config) == 0) {
+	if (pandora_is_master($pa_config, $dbh) == 0) {
 		@rows = get_db_rows ($dbh, 'SELECT tagente_modulo.id_agente_modulo, tagente_modulo.flag, tagente_estado.current_interval + tagente_estado.last_execution_try AS time_left, last_execution_try
 			FROM tagente, tagente_modulo, tagente_estado
 			WHERE server_name = ?