icf/reject_expired_passwd SAP Parameter attribute -

icf/reject_expired_passwd is a SAP Parameter attribute which is used to control information. This is available within R/3 SAP systems depending on the version and release level.

Below is the standard documentation available and a few details of the attributes values .

icf/reject_expired_passwd profile paramerter attributes

Parameter Name: icf/reject_expired_passwd
Description:
Default Value: 0
Parameter Type ( See IF_PARAMETER_TYPES): String(STRING)
Restriction Values:
Parameter Unit:
Parameter Group: Abap
CSN Component: BC-MID-ICF
System-Wide parameter: No
Dynamic Parameter: No
Vector Parameter: No
Has Sub-Parameters: No
Check Function Exists: No

Parameter documentation

By default, it is possible to log on with initial or expired user accounts without an error. If you want to avoid logons using initial or expired user accounts, you need to set this profile parameter to the value "1" (that is, icf/reject_expired_passwd = 1). See also SAP Notes 454962 and 1042274.
See SAP Parameter Documentation for full SAP documentation for this profile parameter.