Microsoft outage knocks out MCA email services

The UK Maritime and Coastguard Agency (MCA) is unable to send or receive emails following a worldwide Microsoft outage, severing a primary communication link for the maritime industry. While search and rescue operations remain functional, the technical failure halts routine digital correspondence with the regulator.

The Maritime and Coastguard Agency confirmed it is experiencing problems with its email services due to the global disruption of Microsoft systems. The agency currently cannot process incoming or outgoing electronic mail, affecting its administrative and regulatory reach.

Search and rescue services remain unaffected by the IT issues, according to the MCA. The agency stated that emergency protocols are still in place and operational. In an emergency at the coast, callers should still use the 999 system to reach the Coastguard.

Why it matters

The loss of email services at the MCA creates an immediate communication gap for shipowners, charterers, and port operators who rely on digital channels for non-emergency coordination. While the preservation of search and rescue capabilities protects life at sea, the administrative side of maritime safety and regulation is effectively offline. This disruption likely delays routine certifications, regulatory queries, and the processing of non-urgent maritime documentation.

The outage demonstrates the vulnerability of essential maritime authorities to third-party software failures. When a global provider like Microsoft suffers a downtime event, the ripple effect reaches into the operational heart of national maritime administrations. For the industry, this means a temporary return to traditional voice communication for any matter that cannot wait for the restoration of digital services.

What to watch

The restoration of Microsoft global services will be the primary trigger for the MCA to resume standard email operations and clear any resulting backlog of industry correspondence.

Source: UK MCA