Planning checklist
Application Support Handover Checklist
A takeover checklist for repositories, environments, dependencies, known issues, monitoring, recovery, access and application ownership.
Published by SpeedInno · Material review 15 August 2026
Quick checklist
Review these items first. Marking an item is not proof of readiness; retain the decision, evidence and accountable owner described in the detailed guidance below.
- Repositories and historyConfirm source, branches, build instructions, ownership and unfinished work.
- Environments and accountsInventory development, test and production runtimes, credentials, domains and third-party accounts without copying secrets into the handover.
- Dependencies and dataRecord runtime versions, services, databases, migrations, backups and retention inputs.
- Known issuesSeparate reproducible defects, operational incidents, security/dependency risks and requested enhancements.
- Build and testReproduce the build and identify available automated and manual acceptance evidence.
- Deploy and rollbackDocument the release path, approvals, rollback and cache behavior.
- Observe and escalateConfirm logs, metrics, alerts, error handling and responsible contacts.
- Prioritized backlogCreate stabilization, maintenance, documentation and modernization priorities with explicit risk.
How to use this resource
- 1.Work through it with the people who own the workflow, data and release decision.
- 2.Attach evidence or a named open question to every material answer.
- 3.Separate confirmed facts, assumptions, risks and decisions that require approval.
- 4.Finish with an owner, next decision and review date, not a checked document only.
Use four decision states, not a misleading percentage score
Confirmed
Evidence exists and the accountable owner accepts it.
Assumption
A working belief is recorded with a validation action and date.
Risk
The uncertainty can materially change scope, safety, cost or release.
Not applicable
The rationale is explicit and has been reviewed; it is not simply unanswered.
Access and system inventory
Do not start a takeover with an unsupported promise to fix an unknown system.
Repositories and history
Confirm source, branches, build instructions, ownership and unfinished work.
Questions to resolve
- What is the verified current state of repositories and history, and which source supports it?
- What must be true at the next approval or release point, and what is explicitly outside the decision?
- Which exception, dependency or failure condition could invalidate the current answer?
- Who can approve the answer, who performs the work and who responds when it fails?
Evidence to retain
- A current-state artifact, observation or system record, not recollection alone.
- The selected decision, alternatives considered and the reason for the trade-off.
- An accountable owner, dependency owner and review or expiry date.
- Observable acceptance evidence and a recovery or escalation path where failure matters.
Environments and accounts
Inventory development, test and production runtimes, credentials, domains and third-party accounts without copying secrets into the handover.
Questions to resolve
- What is the verified current state of environments and accounts, and which source supports it?
- What must be true at the next approval or release point, and what is explicitly outside the decision?
- Which exception, dependency or failure condition could invalidate the current answer?
- Who can approve the answer, who performs the work and who responds when it fails?
Evidence to retain
- A current-state artifact, observation or system record, not recollection alone.
- The selected decision, alternatives considered and the reason for the trade-off.
- An accountable owner, dependency owner and review or expiry date.
- Observable acceptance evidence and a recovery or escalation path where failure matters.
Dependencies and data
Record runtime versions, services, databases, migrations, backups and retention inputs.
Questions to resolve
- What is the verified current state of dependencies and data, and which source supports it?
- What must be true at the next approval or release point, and what is explicitly outside the decision?
- Which exception, dependency or failure condition could invalidate the current answer?
- Who can approve the answer, who performs the work and who responds when it fails?
Evidence to retain
- A current-state artifact, observation or system record, not recollection alone.
- The selected decision, alternatives considered and the reason for the trade-off.
- An accountable owner, dependency owner and review or expiry date.
- Observable acceptance evidence and a recovery or escalation path where failure matters.
Known issues
Separate reproducible defects, operational incidents, security/dependency risks and requested enhancements.
Questions to resolve
- What is the verified current state of known issues, and which source supports it?
- What must be true at the next approval or release point, and what is explicitly outside the decision?
- Which exception, dependency or failure condition could invalidate the current answer?
- Who can approve the answer, who performs the work and who responds when it fails?
Evidence to retain
- A current-state artifact, observation or system record, not recollection alone.
- The selected decision, alternatives considered and the reason for the trade-off.
- An accountable owner, dependency owner and review or expiry date.
- Observable acceptance evidence and a recovery or escalation path where failure matters.
Safe first-change path
The handover should prove the team can diagnose, change and recover.
Build and test
Reproduce the build and identify available automated and manual acceptance evidence.
Questions to resolve
- What is the verified current state of build and test, and which source supports it?
- What must be true at the next approval or release point, and what is explicitly outside the decision?
- Which exception, dependency or failure condition could invalidate the current answer?
- Who can approve the answer, who performs the work and who responds when it fails?
Evidence to retain
- A current-state artifact, observation or system record, not recollection alone.
- The selected decision, alternatives considered and the reason for the trade-off.
- An accountable owner, dependency owner and review or expiry date.
- Observable acceptance evidence and a recovery or escalation path where failure matters.
Deploy and rollback
Document the release path, approvals, rollback and cache behavior.
Questions to resolve
- What is the verified current state of deploy and rollback, and which source supports it?
- What must be true at the next approval or release point, and what is explicitly outside the decision?
- Which exception, dependency or failure condition could invalidate the current answer?
- Who can approve the answer, who performs the work and who responds when it fails?
Evidence to retain
- A current-state artifact, observation or system record, not recollection alone.
- The selected decision, alternatives considered and the reason for the trade-off.
- An accountable owner, dependency owner and review or expiry date.
- Observable acceptance evidence and a recovery or escalation path where failure matters.
Observe and escalate
Confirm logs, metrics, alerts, error handling and responsible contacts.
Questions to resolve
- What is the verified current state of observe and escalate, and which source supports it?
- What must be true at the next approval or release point, and what is explicitly outside the decision?
- Which exception, dependency or failure condition could invalidate the current answer?
- Who can approve the answer, who performs the work and who responds when it fails?
Evidence to retain
- A current-state artifact, observation or system record, not recollection alone.
- The selected decision, alternatives considered and the reason for the trade-off.
- An accountable owner, dependency owner and review or expiry date.
- Observable acceptance evidence and a recovery or escalation path where failure matters.
Prioritized backlog
Create stabilization, maintenance, documentation and modernization priorities with explicit risk.
Questions to resolve
- What is the verified current state of prioritized backlog, and which source supports it?
- What must be true at the next approval or release point, and what is explicitly outside the decision?
- Which exception, dependency or failure condition could invalidate the current answer?
- Who can approve the answer, who performs the work and who responds when it fails?
Evidence to retain
- A current-state artifact, observation or system record, not recollection alone.
- The selected decision, alternatives considered and the reason for the trade-off.
- An accountable owner, dependency owner and review or expiry date.
- Observable acceptance evidence and a recovery or escalation path where failure matters.
How to turn the checklist into an implementation decision
1. Establish the baseline
Record what exists, how it was observed and where evidence is incomplete. Keep reported behavior separate from reproduced behavior. This prevents the future design from treating assumptions or one person’s workaround as an approved requirement.
2. Define the target and boundary
Describe the capability or decision the next phase must enable, the users and records it covers, and the adjacent work it deliberately does not replace. A clear exclusion is useful only when its operational consequence and owner are understood.
3. Resolve the highest-consequence uncertainty
Prioritise questions that can change architecture, data purpose, security, migration, acceptance, commercial scope or launch readiness. Test or decide those before polishing lower-risk screens and convenience features.
4. Create traceable delivery evidence
Link each accepted requirement to its decision source, implementation boundary, test or review method and release owner. When the requirement changes, update the connected artifacts instead of leaving contradictory copies in documents, tickets and code.
Expected output
Coverage, response targets and escalation remain engagement-specific; completing this checklist does not invent an SLA.
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