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"TNS-12547: TNS:lost contact" error

Eslam_ElbyalyApr 17 2025

Greetings,
I have an EBS 11i Vision copy that works on Windows XP on vmware. I need to connect to “apps” schema from my host OS(Windows 11 home edition).

When try to connect using “sqlplus apps/apps@the_vm_ip:1523/VIS”, I get error “TNS-12547: TNS:lost contact” in the CMD. And when I check the listener's log, I see “Permission Denied” error.

Listener listens on port 1523.

service name = VIS.

on the VM, I logged in with Administrator user(the super user).

I can connect to “apps” from the vm successfully.

EBS is working fine on the vm. I can log into it successfully, too.

I did everything all the day. Your help is very appreciated.

P.S: I know 11i and XP are dead for a long time. But I have no other options for now.

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Added on Apr 17 2025
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