[to see] if it is appropriate for him to move to Israel, since the impact of the Yeitzer HaRa (evil inclination) in the Holy Land, whose holiness is exceedingly great, is great and very seductive. Therefore, if one has a great desire to move to Israel because his religious life outside of Israel is inadequate, it is advisable to first visit Israel and ascertain where he will live, where his sons and daughters will study, and how he will earn a livelihood, and only then he should make Aliyah, and he will be successful in his service of Hashem in His holy palace.” (Teshuvos Vehanhagos 1:900).
These mekoros make it evident that there is a machlokes as to whether there is a mitzvah to make aliyah bezmaneinu.