Rockwell Automation Publication 5069-UM002A-EN-P - January 2019 227
Commercial Operating System Chapter 10
Password Settings
Password and account lockout settings are tied together because, if an account
is locked, a password is required to unlock it. A password can help to establish
and maintain a degree of security.
Table 19 describes some of the password policies.
For more information on the Password Policy in the Microsoft Security
Baseline for Windows 10 v1607, see
https://docs.microsoft.com/en-us/
windows/device-security/security-policy-settings/password-policy
IMPORTANT The first time you power up a CompactLogix 5480 controller after the initial
controller firmware update, there is no enabled account on the COS. You
must configure a login ID and password. The COS guides you through the
process to create them.
After you implement a password, you can change it. However, you
cannot
recover the password if you forget or lose it.
If you cannot log in to COS because you do not know the password, you must
reinstall the COS, that is, return it to its factory default state.
When the COS is returned to the out-of-box condition, all data that was
previously on the COS is lost.
Table 19 - COS Password Policies
Policy Description
Password change The following apply:
• You must change the password every 60 days.
When 60 days have expired, you are prompted to change the password
the next time that you log in.
• After you change the password, you cannot change it again for at least
1 day.
Minimum password length The password must be a minimum of 14 characters in length.
Password complexity The password must include at least one of each of the following:
• Lower case letter
• Upper case letter
• Number
• Special character
Password reuse The password cannot be the same as the previous 24 passwords that were
used on the module.
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