IPS# show version Application Partition: Cisco Intrusion Prevention System, Version 7.1(6)E4 Host:                                                  Realm Keys          key1.0                     Signature Definition:                                  Signature Update    S648.0        2012-05-30   OS Version:             2.6.29.1                   Platform:               ASA5515-IPS                Serial Number:          FCH162573TV                No license present <<=========================Why there  is  present "no license present"  ?  I am not bug the services of Signature update. Sensor up-time is 5:59. Using 2899M out of 3731M bytes of available memory (77% usage) system is using 33.6M out of 160.0M bytes of available disk space (21% usage) application-data is using 70.8M out of 177.5M bytes of available disk space (42% usage) boot is using 62.5M out of 77.1M bytes of available disk space (85% usage) application-log is using 19.3M out of 513.0M bytes of available disk space (4% usage) MainApp            S-2012_AUG_24_05_31_7_1_5_3   (Release)   2012-08-24T05:40:50-0500   Running   AnalysisEngine     S-2012_AUG_24_05_31_7_1_5_3   (Release)   2012-08-24T05:40:50-0500   Running   CollaborationApp   S-2012_AUG_24_05_31_7_1_5_3   (Release)   2012-08-24T05:40:50-0500   Running   CLI                S-2012_AUG_24_05_31_7_1_5_3   (Release)   2012-08-24T05:40:50-0500             Upgrade History:   IPS-K9-7.1-6-E4   13:57:07 UTC Mon Aug 27 2012           Recovery Partition Version 1.1 - 7.1(6)E4 Host Certificate Valid from: 25-Nov-2012 to 26-Nov-2014 irewall(config)# show activation-key Serial Number:  FCH162573TV Running Permanent Activation Key: 0xe710e247 0x385e4c4c 0x1140bd24 0xdb6454ac 0x800df190 Licensed features for this platform: Maximum Physical Interfaces       : Unlimited      perpetual Maximum VLANs                     : 100            perpetual Inside Hosts                      : Unlimited      perpetual Failover                          : Active/Active  perpetual VPN-DES                           : Enabled        perpetual VPN-3DES-AES                      : Enabled        perpetual Security Contexts                 : 2              perpetual GTP/GPRS                          : Disabled       perpetual AnyConnect Premium Peers          : 2              perpetual AnyConnect Essentials             : Disabled       perpetual Other VPN Peers                   : 250            perpetual Total VPN Peers                   : 250            perpetual Shared License                    : Disabled       perpetual AnyConnect for Mobile             : Disabled       perpetual AnyConnect for Cisco VPN Phone    : Disabled       perpetual Advanced Endpoint Assessment      : Disabled       perpetual UC Phone Proxy Sessions           : 2              perpetual Total UC Proxy Sessions           : 2              perpetual Botnet Traffic Filter             : Disabled       perpetual Intercompany Media Engine         : Disabled       perpetual IPS Module                        : Enabled        perpetual     <<===================I had installed the IPS license to firewall.               This platform has an ASA 5515 Security Plus license. The flash permanent activation key is the SAME as the running permanent key. Firewall(config)# ... View more