Novice, in vm environment built two Windows 7 virtual machine, a server, a client, a very strange problems, the client side using.net Configuration Assistant connection always prompt ORA - 12541: TNS: no listener, but can ping, I test on the hyper - v is no problem, server monitoring service is up,
Where does vmware compatibility has a problem,

CodePudding user response:

Not vmware compatibility problem, the estimate is not open to listening process

CodePudding user response:

Client opened the firewall?

CodePudding user response:

Virtual writers fire wall, selinux gadgets such as check ~