Backup

Ensure to backup databases, file areas for content, and settings.

Ensure to set time for backup which does not interfere with possible nighly imports or publish processes.

Monitoring

Monitor SQL and IIS

Also consider using GetStatus. Technical documentation - Operational status of web viewer

Antivirus

Ensure to configure antivirus

Possible exclusions only if large amount of files are changed at each publish, this may hamper performance in some anti viros tools.

Incident management

Ensure to prepare organisation for handling incidents and changes

Down time procedures

Ensure to prepare organisation for down time procedure

Clean up

Ensure to apply clean up scripts for automated imports and log files