Change Account Duration for ISE Guest User can not more than 5 days

Question

Extending guest account duration can not more than 5 days.
On portal we can change it to more than 5 days, but the account always expired after next 5 days.
Email notfication sent after change duration also said the account only have 5 days of duration.
I'm using ISE 1.2 patch 2.

Answer 1

Step 1 From the Cisco ISE Administrator interface, choose Administration > Guest Management > Settings > General > Purge.
The Purge Settings page is displayed.
Step 2 To schedule a purge operation, check the Enable purge settings for expired guest accounts check box.
Step 3 Configure the following available options:
a. Enter the purge interval, in number of days. Valid range is 1-365.
b. Specify the hour of the day when the purge should occur.
Date of last purge displays the date and time when the last purge operation occurred.
Date of next purge displays the date and time when the next purge operation is scheduled to occur.
Step 4 To immediately execute a purge of expired guest user records, click Purge Now.
This executes a purge manually even if Enable purge check box is not checked. This option provides you the freedom to purge records whenever you seem fit.
Step 5 Click Save
Please check the point 3 find the value is so that it may engaged.