maintenance contract
A contract for the upkeep, repair, or servicing of equipment, software, or facilities. Common in IT and engineering contexts.
We need to renew the server maintenance contract.
Please check the services covered by the maintenance contract.
保守 means 'maintenance' or 'conservation' in general; 保守契約 specifically refers to a formal maintenance agreement.
サポート契約 often implies technical support or help desk services, while 保守契約 focuses on repair and upkeep.
Compound of 保守 (ほしゅ, 'maintenance') and 契約 (けいやく, 'contract').