Tns-12535 windows

I don't know if that windows error message is is the reason for your error. Even if you can access the listener port with telnet that does not mean that there is no firewall problem. I you used share servers or an oracle RAC with a scan listener the database will try to connect to a server by a different prot that can be blocked by a firewall.

TNS ping does only contact the listner. So first you should check if the tnsping arrives at the server. Can you see it in the listner. Check if you use the right tnsname. Do you get the same error message? If you want to remove all your Oracle installations on a windows server you can do that by hand.

Remove all the directories and registry entries. Look for appropriate advice. Worked for me in the past sometimes. Sign up to join this community. The best answers are voted up and rise to the top. Stack Overflow for Teams — Collaborate and share knowledge with a private group.

Create a free Team What is Teams? Learn more. Asked 7 years, 9 months ago. Active 6 years, 4 months ago. Viewed 36k times. Improve this question. When this parameter is set, a client must send some data within the specified time interval. Feel free to ask questions on our Oracle forum. Verify experience! Anyone considering using the services of an Oracle support expert should independently investigate their credentials and experience, and not rely on advertisements and self-proclaimed expertise.

All legitimate Oracle experts publish their Oracle qualifications. Oracle technology is changing and we strive to update our BC Oracle support information. Collectives on Stack Overflow. Learn more. Asked 4 years ago. Active 3 years, 10 months ago. Viewed 8k times.

Improve this question. Skywalker 1, 1 1 gold badge 16 16 silver badges 36 36 bronze badges. Drew Drew 13 13 silver badges 33 33 bronze badges. It has to do with TCP traffic over a specific port. It could be a network timeout due to inactivity. This is a generic network issue where the other side of the connection has closed the connection. This could be happening due to firewalls, switches on the network or the actual back-end server in this case the Oracle server. The error that you see signifies that the Oracle driver is unable to make a connection to the database, and it is timing out.

This is usually a network issue. AnupDey checked all the network connections and I was able to ping both servers and vice-versa.