The Cisco IPS (Intrusion Prevension System) can handle up to 5 SDEE connections and sometimes holds on to old ones or gets stuck. It is possible to clear these connections out.
Find the Subscription ID
SSH into the IPS with admin role. Issue the following command to determine the subscription ID and status.
Clear the Session
In order to release the session you will need a web browser that can get to the IPS device.
https://<IP Address>/cgi-bin/sdee-server?action=close&subscriptionId=<Session ID>
For Example from above:
You will be asked to login to the device. You will not receive a valid website. You will be presented with:
Verify Session is Closed
Verify session has been closed by SSH into the IPS and issuing the command: