Challenge
This update is provided to enable upgrading existing installations of Veeam Backup & Replication 9.0 partner preview (build 9.0.0.773) to generally available version of Veeam Backup & Replication 9.0 (build 9.0.0.902). This update addresses a number of issues reported by our partners on the preview build.
All new installations should be performed using Veeam Backup & Replication 9.0.0.902 ISO that is available for download starting January 12, 2016. Please, delete the partner preview build ISO to ensure you don't use it accidentally in the future.
Solution
Please confirm you are running version 9.0.0.773 prior to installing this update. Installing this update on any other version breaks Veeam Server. You can check this under Help | About in Veeam Backup & Replication console. After upgrading, your build will be version 9.0.0.902.Prior to installing this update please reboot the Veeam server to clear any locks on the Veeam services and when the reboot is done, please stop all the Veeam services and apply the update.
After installing the update, please start the Veeam services, open the console and allow Veeam B&R to update its components.
To obtain this update, please contact Veeam Customer Support