After the German invasion of Norway on 9 April, she was transferred to the Home Fleet. On 13 April, the ship joined the escort of Convoy NP1, on passage to Norway with troops for the planned landings at Narvik. Diverted to Harstad, "Ardent" helped to unload the troops on 5–16 April. On the night of 29/30 April, "Ardent" and the Polish destroyer "Błyskawica" ferried 150 men of the Scots Guards to Bodø. In early May, the ship damaged her ASDIC dome and had to return to the UK for repairs on 6–19 May. Three days later, she escorted the troopship as she took troops to the Faroe Islands to replace the Royal Marines that had been landed there in April as part of Operation Valentine and arrived back in Greenock on the 29th. On 31 May, the ship and the destroyers , , and escorted the aircraft carriers and from the Clyde to the Norwegian coast to carry out air operations in support of the evacuation of Allied forces from Norway in Operation Alphabet. "Ardent" remained with the carriers' escort throughout early June.