diff --git a/framework/config/src/org/apache/cloudstack/framework/config/impl/ConfigurationVO.java b/framework/config/src/org/apache/cloudstack/framework/config/impl/ConfigurationVO.java
index d7edfe0f0c7..cda96c9414a 100644
--- a/framework/config/src/org/apache/cloudstack/framework/config/impl/ConfigurationVO.java
+++ b/framework/config/src/org/apache/cloudstack/framework/config/impl/ConfigurationVO.java
@@ -43,10 +43,10 @@ public class ConfigurationVO implements Configuration {
     @Column(name = "name")
     private String name;
 
-    @Column(name = "value", length = 4095)
+    @Column(name = "value", length = 8191)
     private String value;
 
-    @Column(name = "default_value", length = 4095)
+    @Column(name = "default_value", length = 8191)
     private String defaultValue;
 
     @Column(name = "description", length = 1024)
diff --git a/setup/db/db/schema-440to441.sql b/setup/db/db/schema-440to441.sql
index 44605596103..337d5752754 100644
--- a/setup/db/db/schema-440to441.sql
+++ b/setup/db/db/schema-440to441.sql
@@ -167,3 +167,17 @@ INSERT IGNORE INTO `cloud`.`guest_os_hypervisor` (uuid,hypervisor_type, hypervis
 INSERT IGNORE INTO `cloud`.`guest_os_hypervisor` (uuid,hypervisor_type, hypervisor_version, guest_os_name, guest_os_id, created, is_user_defined) VALUES (UUID(), 'LXC', 'default', 'FreeBSD 10', 226, now(), 0);
 INSERT IGNORE INTO `cloud`.`guest_os_hypervisor` (uuid,hypervisor_type, hypervisor_version, guest_os_name, guest_os_id, created, is_user_defined) VALUES (UUID(), 'LXC', 'default', 'Other PV', 139, now(), 0);
 INSERT IGNORE INTO `cloud`.`guest_os_hypervisor` (uuid,hypervisor_type, hypervisor_version, guest_os_name, guest_os_id, created, is_user_defined) VALUES (UUID(), 'LXC', 'default', 'Other PV', 140, now(), 0);
+
+-- Add missing OS/hypervisor mapping for OStype added in 4.3.0 and 4.4.0
+INSERT IGNORE INTO `cloud`.`guest_os_hypervisor` (uuid,hypervisor_type, hypervisor_version, guest_os_name, guest_os_id, created, is_user_defined) VALUES (UUID(),'Xenserver', '6.2.0', 'CentOS 6 (32-bit)', 227, now(), 0);
+INSERT IGNORE INTO `cloud`.`guest_os_hypervisor` (uuid,hypervisor_type, hypervisor_version, guest_os_name, guest_os_id, created, is_user_defined) VALUES (UUID(),'Xenserver', '6.2.0', 'CentOS 6 (64-bit)', 228, now(), 0);
+INSERT IGNORE INTO `cloud`.`guest_os_hypervisor` (uuid,hypervisor_type, hypervisor_version, guest_os_name, guest_os_id, created, is_user_defined) VALUES (UUID(),'Xenserver', '6.2.0', 'Windows 8 (64-bit)', 229, now(), 0);
+INSERT IGNORE INTO `cloud`.`guest_os_hypervisor` (uuid,hypervisor_type, hypervisor_version, guest_os_name, guest_os_id, created, is_user_defined) VALUES (UUID(),'Xenserver', '6.2.0', 'Windows Server 2012 (64-bit)', 168, now(), 0);
+
+INSERT IGNORE INTO `cloud`.`guest_os_hypervisor` (uuid,hypervisor_type, hypervisor_version, guest_os_name, guest_os_id, created, is_user_defined) VALUES (UUID(),'Xenserver', '6.2.5', 'CentOS 6 (32-bit)', 227, now(), 0);
+INSERT IGNORE INTO `cloud`.`guest_os_hypervisor` (uuid,hypervisor_type, hypervisor_version, guest_os_name, guest_os_id, created, is_user_defined) VALUES (UUID(),'Xenserver', '6.2.5', 'CentOS 6 (64-bit)', 228, now(), 0);
+INSERT IGNORE INTO `cloud`.`guest_os_hypervisor` (uuid,hypervisor_type, hypervisor_version, guest_os_name, guest_os_id, created, is_user_defined) VALUES (UUID(),'Xenserver', '6.2.5', 'Windows 8 (64-bit)', 229, now(), 0);
+INSERT IGNORE INTO `cloud`.`guest_os_hypervisor` (uuid,hypervisor_type, hypervisor_version, guest_os_name, guest_os_id, created, is_user_defined) VALUES (UUID(),'Xenserver', '6.2.5', 'Windows Server 2012 (64-bit)', 168, now(), 0);
+
+-- Fix CLOUDSTACK-7624
+ALTER TABLE `cloud`.`configuration` MODIFY default_value varchar(8191), MODIFY value varchar(8191);