"Test SCP server connection" fails with error message "shell request failed on channel 0"

• Configure Scheduled Config Export.
• Once configured, test the connection to the SCP server using the Test SCP server connection.
• Popup error message is displayed "shell request failed on channel 0" and the test fails.

• Any Panorama
• PAN-OS 10.2.x
• Scheduled Config Export

1. Use the server that supports the shell requests. One example is OpenSSH.
2. The error "shell request failed on channel 0" indicates that there's no shell or remote command access available on the server.
3. When the server  doesn't implement/support shell requests, the request fails and error message is displayed.

• There's a difference between the scheduled config export execution and the "Test scp server connection".
• The "test scp server connection" tries to access the shell and execute commands to create a new file.

debug1: Executing command: "c:\\windows\\system32\\cmd.exe" /c "echo paloaltonetworks > \\/Conf\\/ssh\\-export\\-test\\.txt" with no pty

• The scheduled config export uploads a tgz file.

debug1: Executing command: "c:\\windows\\system32\\cmd.exe" /c ""C:\\Windows\\System32\\OpenSSH\\scp.exe" -t /Conf/PAN-01_20240206.tgz" with no pty