AD Old Password Still Accepted

Document ID : KB000004887
Last Modified Date : 14/02/2018
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Issue:

We have recently implemented a change password mechanism using smpwservices.fcc for a new application. It is working as expected and if I logoff and logon with new credentials everything seem to work fine.

The problem is that (for a certain period of time) I'm able to login with old credentials too. Why is this possible? Is it a caching issue? How can I force Siteminder to accept only the new credentials?

Cause:

This is expected as AD will keep old password valid for some time:


https://support.microsoft.com/en-us/kb/906305

Resolution:

Product is working as designed.

Delay is in 'new password' propagation in AD infrastructure