This page describes the types of characters and the maximum number of characters you can specify for the login name and password.

It must be 128 characters or less.

For the login name, you can use characters expressed in UTF-8 (Unicode) such as alphabets and numbers.
The alphabetical characters are case-sensitive, and Full-width and half-width katakana characters are distinguished.

Note that you cannot set a login name that meets one of the following:

• The login name contains special characters not allowed to use for a login name.
  Special Characters Not Allowed to Use for Login Name
• The login name is already being used by another user.
• The login name starts or ends with a space.

A login name cannot contain the following special characters:

• \ (Yen sign or backslash)
• [ ] (Bracket)
• " (Double quotation mark)
• : (Colon)
• ; (Semicolon)
• < (Less than sign)
• > (Greater than sign)
• , (Comma)
• / (Slash)

Enter up to 64 characters.

The password should be set using a combination of the following character types.
The uppercase and lowercase letters are distinguished.

• Alphabetical characters
• Numerical characters
• Space
• Special Characters Available to Use for Password

Note that you cannot set passwords that do not meet the password policy requirements.

A password can contain the following special characters:

• ! (Exclamation mark)
• " (Double quotation mark)
• # (Number sign)
• $ (Dollar sign)
• % (Percent)
• & (Ampersand)
• ' (Single quotation mark)
• ( ) (Parenthesis)
• * (Asterisk)
• + (Plus sign)
• , (Comma)
• - (Hyphen)
• . (Period)
• / (Slash)
• : (Colon)
• ; (Semicolon)
• = (Equal sign)
• < (Less than sign)
• > (Greater than sign)
• ? (Question mark)
• @ (At sign)
• [ ](Bracket)
• ^ (Caret)
• _ (Underscore)
• ` (Backquote)
• { } (Brace)
• | (Pipe)
• ~ (Tilde)

Do not use only an * (asterisk) as a new user's password. Entering an asterisk prevents you from configuring a valid password for the new user.
The user needs to take one of the following actions to log in:

• Ask Kintone Users & System Administrators to set a password
• Log in with SAML authentication