• Upgrade guide to v6.1
• Upgrade guide to v6.0
• Upgrade guide to v5.7
• Upgrade guide to v5.6
• Upgrade guide to v5.5
• Upgrade guide to v4.x
• Upgrade guide to v3.1
• Upgrade guide to v3.0
• Upgrade guide to v2.5
• Upgrade guide to v2.1
• Upgrade guide to v2.0

In order to upgrade from Version v2.0 to Version v6.1 you are required to perform all steps described in all Upgrade Guides from v2.0 to v6.1.

• Upgrading to correct MD2 signature