Why I Need Network And System Administration Maintenance Agreement? Prepare, maintain and administer a disaster recovery plan in the event of catastrophic failure of any nature. Provide and maintain up-to-date anti-virus and spyware programs on server(s) and PCs Configure and Install patches and security fixes from software manufacturers. Maintain network security and monitor firewall logs for intrusion attempts Control user access Monitor overall health of network including disk space and performance Respond to request from users for assistance with PC or Network related issues. Manage interfaces with other systems such as email and internet Upgrade application software as needed.