Knowledge center. Albinism is a genetic condition also called achromia, achromasia, or achromatosis. It is characterized by a deficit in the production in melanin and by the partial or complete absence of pigment in the skin, hair and eyes.
Alpha stands for alphabets and numeric stands for number. So a non alpha numeric character will be any symbol without letters (alphabets) or numbers. As you are aware, an upper case means capital letter. e.g., A, B, C, etc. and a lower case are small letters: a, b, c, etc. So out of the 8 number of characters, you were asked to use at least. one capital letter.
The user list for the License Administration Console and the Citrix Simple License Service web page does not support non-ASCII characters in user/group names. Due to this limitation, on a Russian operating system, the BUILTIN Administrators group is not added to the user list, as it is created with non-ASCII characters.