Software Provisioning Manager 1.0 SP29 unable to open in browser

Hi

I am installing SAP ERP 6.0 in Window server 2008 r2, while executing SWPM I am getting return code 3, error details given below please help

ERROR in Selftest. Return code: 3

Connecting to WIN-2Q41SENF47W.us-west-2.compute.internal failed.

You can use SAPINST_GUI_HOSTNAME to override the webserver hostname for the GUI. ********************************************************************************

INFO 2020-09-02 03:44:55.831 (WIN-2Q41SENF47W\Administrator) (startInstallation) [SLPSelftestHandler.cpp:157] Full output of selftest:

Connecting to: https://WIN-2Q41SENF47W.us-west-2.compute.internal:4237

executing: GET /sapinst/slp/whoami HTTP/1.1

java.net.UnknownHostException: WIN-2Q41SENF47W.us-west-2.compute.internal

Exit code: 3