For students:
Leiden University students should always log in via ULCN. If you are unable to log in via ULCN, it may be due to the following:
For employees of Leiden University:
Employees of Leiden University must log in via ULCN. This is only possible if you have an e-mail address that ends with leidenuniv.nl. If you are unable to log in via ULCN, it may be due to the following:
For employees of (external) educational institutions:
Employees of external educational institutions log in using a ProjectMAP user account username and password. If you cannot log in, it may be due to the following reasons: