The question is not clear to us.
1. are you not able to open DNAC GUI ?
2. is this worked before ?
3. if this Fresh installation, DNAC take Longer time to install complete installation
if you have maglev access post below output :
$ magctl appstack status
Hi, about your questions:
1.Yes,i can't open dnac GUI
2.i can open it before
3. i input the command and it show me "The connection to the server 127.0.0.1:9443 was refused - did you specify the right host or port"
i use the command "netstat -ntlp" to get some information,dose it help?
Thank you !
$ magctl appstack status