The stakeholder register is a key input for managing communications. In Agile, frequent communication and stakeholder inclusion are vital. If there’s a failure due to incorrect contact data, the Scrum Master should proactively review and verify the full stakeholder register to ensure it’s accurate and complete, preventing recurrence.

According to the PMBOK® Guide – Seventh Edition (Stakeholder and Communication Performance Domains), it is the responsibility of the project team to maintain accurate stakeholder information. This promotes engagement, transparency, and effective decision-making.

Option A places undue burden on the product owner and is inefficient.

Option B shifts responsibility to the stakeholder.

Option C demonstrates poor accountability.