Defect Management User Acceptance Testing 07.2025 3 min read 670

Defect Triage in UAT: Decisions That Catch New Coordinators Off Guard

Structured group coordination for UAT — where testers, stakeholders, and product teams align before sign-off.

Defect Management

About this piece

UAT surfaces defects that do not fit neatly into priority categories. That ambiguity lands on the coordinator.

What makes UAT defects different from QA defects?

QA defects are usually technical: something broke against a specification. UAT defects are often behavioural: the software works as specified but not as the user expected. A coordinator has to determine whether the gap is a defect, a training issue, or a requirements problem from months earlier. Each answer leads to a different team and a different resolution path.

Can you walk through a real triage decision?

A user reports that the system does not allow decimal quantities in a purchase order. The developer says it was never in scope. The business user says they use decimal quantities weekly. The coordinator has to pull the original requirements, check whether this was discussed, and then escalate with documentation rather than opinion. Without that documentation habit, the coordinator becomes a referee with no rulebook.

What tool or method helps most with triage?

A simple defect log with four columns: description, reported by, severity, and status. The status column does more work than most people expect. When stakeholders can see that 14 defects are awaiting business sign-off rather than development action, the conversation shifts. Visibility is most of the job.

Key considerations

What makes UAT coordination work

Defined scope

Before any session starts, testers need a clear list of scenarios — not feature descriptions, but actual tasks they would do in production.

Vague test plans lead to vague results. When participants have explicit entry data, expected outputs, and pass/fail criteria written before the session, defects get logged instead of debated.

Facilitated sessions

A facilitator who isn't testing keeps the group on pace, handles ambiguity in real time, and prevents side conversations from derailing the agenda.

Without neutral facilitation, senior stakeholders dominate and junior testers go quiet. Structured turn-taking and a visible timer change participation patterns within the first session.

Defect triage

Not every issue found in UAT is a blocker. Groups need a fast triage method to separate release-critical defects from post-launch backlog items.

A simple severity matrix — agreed on before testing begins — cuts sign-off arguments by more than half. Decisions happen during the session, not in a follow-up email chain.

Talk to Bonufecal

Running UAT across multiple stakeholders?

Coordinating testers, product owners, and business leads in a single session is difficult without structure. Bonufecal runs group UAT sessions virtually for teams across Canada.