The system requirements (except RAM) for running CASO follow the minimum requirements for running Backup Exec 2010. However, processor speed, memory, and disk space requirements may increase based on the number of managed media servers being managed, the number of protected servers being backed up, and the amount of catalog storage space required.
On the computer on which you install the central administration server, 512 MB RAM is required. 1 GB RAM is recommended. Other applications on the media server also require a certain amount of physical RAM to function properly. The requirements for RAM may also increase when the central administration server manages more media servers or tape hardware.
Ensure the following:
When installing CASO on media servers in multiple domains, the Backup Exec service account should be in the trusted domain and have administrative rights on all media servers that are to be managed by the central administration server.
If the Backup Exec database for the central administration server is installed on a SQL Server instance on a different computer, the account must be a domain account with local administrative privileges on that computer as well.