Microsoft Says Vaccine Tools Have ‘Fallen Short’ After DC Snags

Widely-used Microsoft Corp. vaccine scheduling software that has run into difficulties in states like Iowa and New Jersey is being blamed for problems that left some residents of the nation’s capital unable to book appointments.

After three straight days of issues with the District of Columbia’s online vaccination registration, the Redmond, Washington-based technology company released a statement along with the city government acknowledging “that our efforts have fallen short” and vowing to address the problems.

“We understand the frustration of individuals who attempted to utilize the District’s vaccination appointment portal this week,” they said. “We are committed to address technical ...