Rules For Strong Password

The valid password for the SQL Server's sa user have to meet with the following password rules and policies.

Password policies:

• Allowed characters:
• Alphabet characters (A-Z)
• Arabic numerals (0-9)
• Nonalphanumeric characters (for example, !$#)

Requirements for a strong password:

• Length: At least 6 characters.
  Spaces are also counted as characters
• At least one uppercase letter
• At least one lowercase letter
• At least one number
• At least one non-alphanumeric character

The password is case sensitive. When a password is entered it must match the case that was originally used.

TIP: See the Strong Passwords article in the Microsoft Docs online service for more information about the rules of the strong password.

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