Resolved! Cannot contact update server from public IP address interface
After click "Check Now" in "Dynamic Updates". Show the error popup as below linkhttps://knowledgebase.paloaltonetworks.com/KCSArticleDetail?id=kA10g000000ClkuCAC The above KB not apply to my case. As I not allow my management interface to reach internet.So I go to customize "Service Route Configuration", and set the Source Address of Service - "...




