Why XS1930 shows "server certificate has been failed" when I update access Layer 3 license status?
Zyxel_Melen
Posts: 2,558 
Zyxel Employee
Zyxel Employee
in Other Topics
There are two possible reasons for this issue:
- Your switch system time is not up to date. Please correct the system time or synchronize with the time server.
- Your firewall might block ports 80(HTTP)/443(HTTPS). Please allows these ports on your firewall.
Zyxel Melen
0
Categories
- All Categories
- 415 Beta Program
- 2.4K Nebula
- 146 Nebula Ideas
- 96 Nebula Status and Incidents
- 5.7K Security
- 260 USG FLEX H Series
- 271 Security Ideas
- 1.4K Switch
- 74 Switch Ideas
- 1.1K Wireless
- 40 Wireless Ideas
- 6.4K Consumer Product
- 249 Service & License
- 387 News and Release
- 84 Security Advisories
- 29 Education Center
- 10 [Campaign] Zyxel Network Detective
- 3.5K FAQ
- 34 Documents
- 34 Nebula Monthly Express
- 85 About Community
- 73 Security Highlight