# Nexora | Application Maintenance & Support Services > Maintain business applications with Nexora through issue investigation, dependency reviews, tested updates and documented changes to your working software. Canonical page: https://www.nexoraesrd.com/services/application-maintenance-and-care/ Language: English Nexora ESRD LLP · Software Development & IT Services # Application Maintenance & Support Services Applications change even when no new features are added: dependencies, integrations and user needs keep moving. Maintenance gives those changes a controlled path and keeps important operating knowledge current. [Discuss your project ↗](https://www.nexoraesrd.com/contact/?service=software) ## Define your application maintenance scope We review the running version, source code, dependencies and deployment process. Known defects and unsupported components are recorded before a support commitment is made. The maintenance scope names the covered environments and functions. This helps distinguish a new regression from an existing limitation and avoids promising responsibility for systems outside the team's control. ## Make corrections traceable and testable An issue needs reproducible evidence where possible, followed by a change that addresses its cause. We check nearby functions as well as the reported failure. Dependency updates are reviewed for compatibility rather than installed without context. Release notes explain what changed and whether users or administrators need to do anything differently afterward. ## Use recurring issues to guide improvement Repeated incidents can reveal missing validation, fragile integrations or a need for clearer user guidance. We keep those patterns visible alongside routine work. Planned maintenance and larger improvements are prioritised separately with the owner. Documentation, access and recovery instructions are updated as the application changes, so support remains practical for the next person who needs it. ## Project deliverables - Application support baseline - Prioritized issue and dependency register - Tested corrections and release notes - Updated operational and handover guidance ## Service questions and answers ### How is the maintenance scope established? Name the covered applications, environments and activities, then record existing limitations before work begins. Incident handling, dependency updates and new features may need different terms. The agreement should identify access requirements, service hours and approval for additional work rather than leave customers assuming every future change is included. Explore related services [Establish the application baseline and ownership](https://www.nexoraesrd.com/services/application-lifecycle-services/) ### Should every available dependency update be installed immediately? Updates need review for relevance, urgency and compatibility with the application. Some require prompt action; others can follow the normal release plan. Check the affected functions and deployment requirements before changing production, then record the installed version and any follow-up needed. Maintenance is controlled change, not indiscriminate automatic updating. Explore related services [Plan controlled builds and deployments](https://www.nexoraesrd.com/services/release-and-operations-engineering/) ### How do you check that a reported bug has been fixed? Start with evidence that reproduces the problem or clearly identifies its conditions. Retest the corrected behaviour and examine related functions that may be affected by the change. Record the result and remaining limitations, so closing an issue means there is supporting evidence rather than only a developer's assertion. Explore related services [Use targeted regression and acceptance checks](https://www.nexoraesrd.com/services/software-quality-and-testing/) ### When should maintenance lead to a wider modernization review? Repeated incidents, unsupported components or changes that become disproportionately difficult can signal a structural problem. Compare the cost and risk of continuing small fixes with focused modernization options. The review should preserve valuable business behaviour and explain the expected benefit before a larger rebuild is proposed. Explore related services [Review the case for a larger improvement](https://www.nexoraesrd.com/services/existing-software-modernization/) ## Discuss your project Tell us what you want to build. We'll help you find a clear way forward. [Discuss your project ↗](https://www.nexoraesrd.com/contact/?service=software) Explore the wider service [Software & Web Development ↗](https://www.nexoraesrd.com/services/software-web-development/) [Discuss your project ↗](https://www.nexoraesrd.com/contact/?service=software) ## Related services ### Application Development & Lifecycle Services Plan application development, integration, testing and ongoing changes with Nexora, with clear ownership from the first release through daily operation. [Explore this service](https://www.nexoraesrd.com/services/application-lifecycle-services/) ### DevOps & Release Engineering Services Nexora helps improve builds and deployments with repeatable processes, useful monitoring and clear release, recovery and operating responsibilities. [Explore this service](https://www.nexoraesrd.com/services/release-and-operations-engineering/) ### Software Testing & Quality Assurance Nexora tests software using risk-based scenarios, realistic data and clear defect reports, helping your team assess the evidence for a release. [Explore this service](https://www.nexoraesrd.com/services/software-quality-and-testing/) ### Software Modernization & Upgrade Services Modernize business software with Nexora through dependency reviews, targeted upgrades, data checks and staged releases for your existing system. [Explore this service](https://www.nexoraesrd.com/services/existing-software-modernization/)