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Unable to log in a second time without clearing the cache



Unable to log in a second time without clearing the cache.

Error Messages

Not Applicable


Not Applicable


Authentication or Usepreauthenticationcookie was set to false. By default, Pega Platform generated a cookie for each user to track the user's requestor ID throughout the User session. The setting added security to the cookie and helped guard against replay attacks.

If this entry was set to false, the cookie contained the same value if the user was authenticated or not.
If this entry was set to true, Pega Platform used a different cookie value when the requestor is not authenticated.


Perform the following local-change:

Set the Authentication or Usepreauthenticationcookie Dynamic System Setting (DSS) to true.

Published August 15, 2019 - Updated December 2, 2021

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