Cisco:Unable to install port license

customer was attempting to install additional port activation licenses

Unable to install port-license. You may see some of the following symptoms:

switch running 8.1.1 or later

Error when installing license:

no response from license manager

Switch may reboot and create core file:
 

`show cores` Module Instance Process-name PID Date(Year-Month-Day Time) ------ -------- --------------- -------- ------------------------- 1 1 licmgr 3413 2018-03-26 14:47:40 1 1 licmgr 10353 2018-03-26 14:48:12

Following system reset reason appears.

`show system reset-reason` ----- reset reason for module 1 (from Supervisor in slot 1) --- 1) At 958973 usecs after Mon Mar 26 14:48:20 2018 Reason: Reset triggered due to HA policy of Reset Service: licmgr hap reset

%SYSMGR-2-LAST_CORE_BASIC_TRACE: : PID 9980 with message lmreread(non-sysmgr) crashed, core will be saved . %SYSMGR-2-SERVICE_CRASHED: Service "licmgr" (PID 9976) hasn't caught signal 11 (core will be saved). %SYSMGR-2-LAST_CORE_BASIC_TRACE: : PID 10169 with message lmreread(non-sysmgr) crashed, core will be saved . %SYSMGR-2-SERVICE_CRASHED: Service "licmgr" (PID 10164) hasn't caught signal 11 (core will be saved). %SYSMGR-2-LAST_CORE_BASIC_TRACE: : PID 10358 with message lmreread(non-sysmgr) crashed, core will be saved . %SYSMGR-2-SERVICE_CRASHED: Service "licmgr" (PID 10353) hasn't caught signal 11 (core will be saved).

No fix for this issue currently. 

Workaround:

Remove DNS configuration (using no ip-server commands)
Install license and acquire ports
Add DNS configuration back to switch

This issue is documented under bug id CSCvi74768  however some symptoms may vary