<p>The password for the directory administrator. The directory creation process creates a directory administrator account with the user name <code>Administrator</code> and this password.</p> <p>If you need to change the password for the administrator account, you can use the <a>ResetUserPassword</a> API call.</p> <p>The regex pattern for this string is made up of the following conditions:</p> <ul> <li> <p>Length (?=^.{8,64}$) – Must be between 8 and 64 characters</p> </li> </ul> <p>AND any 3 of the following password complexity rules required by Active Directory:</p> <ul> <li> <p>Numbers and upper case and lowercase (?=.*\d)(?=.*[A-Z])(?=.*[a-z])</p> </li> <li> <p>Numbers and special characters and lower case (?=.*\d)(?=.*[^A-Za-z0-9\s])(?=.*[a-z])</p> </li> <li> <p>Special characters and upper case and lower case (?=.*[^A-Za-z0-9\s])(?=.*[A-Z])(?=.*[a-z])</p> </li> <li> <p>Numbers and upper case and special characters (?=.*\d)(?=.*[A-Z])(?=.*[^A-Za-z0-9\s])</p> </li> </ul> <p>For additional information about how Active Directory passwords are enforced, see <a href="https://docs.microsoft.com/en-us/windows/security/threat-protection/security-policy-settings/password-must-meet-complexity-requirements">Password must meet complexity requirements</a> on the Microsoft website.</p>