Hi,our system with two 9800-40 (version 17.03.05b) is no longer redundant and brings the error message:%BOOT-3-BOOTTIME_GET_ISSU_INFO_OF_REMOTE_CHASSIS_FAILED: Chassis 1 R0/0: issu_stack: Failed to get ISSU information from remote chassis. Details: R...

Hello,when installing, the following error message appears:wlc01#install add file tftp://spy/C9800-40-universalk9_wlc.17.03.05b.SPA.bin activate commit install_add_activate_commit: START Sun Dec 11 12:48:06 cest 2022Downloading file tftp://spy/C9800-...

Hello,i would like to find out if there are AP's where no clients log on for a longer period of time.Our system is C9800 with about 500 AP and Prime 3.7 Thanksdec  

We have a first ATA187 on CUCM 8.5.1, but the ATA 187 is not registering. The ATA become the settings from DHCP and i have WEB-Access. Under "Device Information"  the Ports have status "Registering" (show Snapshot) but under Phone Configuration on th...