The university said an "expanded search" has uncovered a venue on campus that meets their security criteria.
"One of the country's best-known conservative pundits, Coulter had been scheduled to speak to a college Republican club about her 2015 book, "¡Adios, America!: "The Left's Plan to Turn Our Country Into a Third World Hellhole".
Further details about the decision reversal were not immediately available.
Naweed Tahmas, 20, of the Berkeley College Republicans tells the Chronicle, "It's at an terrible time", and Coulter shared her rage over the rescheduling via Twitter Thursday night, vowing to come on April 27 whether they like it or not.
Coulter's comment came hours after university officials reversed an earlier decision to call off the event citing concerns of violence.
The letter from Vice Chancellor Scott Biddy and Vice Chancellor for Student Affairs Stephen Sutton read: "We have been unable to find a safe and suitable venue". In a letter to Berkeley Campus Republicans, administrators said the school was taking extra precautions after Yiannopoulos' appearance as well as recent riots in the city of Berkeley.
The San Francisco Chronicle confirmed the May 2 date falls in the university's "dead week", a period when no classes are held so students can study for final exams.
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The Post reported the school also planned to impose conditions on the events but the college Republican group said they would reject them, according to a representative of the student group.
Last Saturday, more than 20 people were arrested after hours of clashes and brawls between anti-Trump protesters and Trump supporters, who had planned a "free speech rally" in the center of Berkeley. In February, a speech by the former Breitbart writer and provocateur Milo Yiannopoulos was canceled after protesters stormed campus, setting fires and vandalizing a few nearby banks. Officials hope to reschedule the event for September.
Auburn University had sought to cancel the speaking event, but a federal judge forced the speech to proceed. However, a leader of the college Republican group that originally invited Coulter said the university was placing strict conditions on the event, and he said his group meant to reject the new terms.
Free speech is what universities are all about.
Berkeley officials anxious the same thing could happen to Ann Coulter.
Expelling hecklers might be a step too far, but campus speakers have in the past (such as at Middlebury College) seen protesters stand up and shout so no one can hear what the speaker would say.
"We have no intention of acceding to these unconstitutional acts", Brown wrote.
It appears UC Berkeley is in for another political brawl, this time with Ann Coulter, who tells The Hollywood Reporter that she'll speak at the famously progressive campus even though administrators are trying to prevent her from doing so.