In the hope of preventing disturbances on Saturday, total capacity at the central Dam square will be limited to 10,000 - roughly half the normal attendance at the ceremony, the city said.
Utrecht rabbi may appeal dropped charges against attacker in alleged antisemitic assault, citing concern over rising tensions.
The Israeli embassy in Netherlands has not immediately responded to confirm the report, but Dutch politicians and Jewish organizations are already demanding action.
The rabbi fled to a nearby supermarket but was ejected for attempting to photograph his pursuing attacker.
Utrecht Police said that they were looking for witnesses into an incident in which a man attacked another after shouting discriminatory slurs.
People were being held at the local Petticoat night club. Police said three hostages were released as part of negotiations.
There has been a rapid rise in the number of hate crimes reported across Europe since the Israel-Hamas conflict in Gaza began last October.
Today, amid the passage of time, we are once again witness to an all too familiar and worrying trend of antisemitism and ignorance.
Herzog also met with incoming Dutch Prime Minister Geert Wilders, who promised that the Netherlands would fight terrorism in all its forms.
Herzog said: "At this pivotal moment in time, this institution sends a clear, powerful statement: Remember. Remember the horrors born of hatred, antisemitism, and racism."