[3] The 2nd Army was already partially committed to the campaign against the Kingdom of Serbia when it was ordered to Galicia to fight against the Russian Empire.

Since it was already engaged in combat, and due to transportation difficulties, only half of its strength could be switched to the new front.

Although they received additional units the battle, the 2nd Army troops were unable to break through the Russian defenses and were pushed back by counterattacks.

The Austro-Hungarians continued to fight throughout March, and chief of general staff Franz Conrad von Hotzendorf ordered the V Corps – the unit closest to Przemyśl – to liberate the fortress.

[8] Around that time, it was organized under Supreme Command "East", led by Prince Leopold of Bavaria.

The 2nd Army occupied parts of Ukraine in the spring of 1918 and was headquartered in the port city of Odessa.

Field Marshal Böhm-Ermolli was replaced by General of the Infantry Alfred Krauss as the army's commander in May 1918.