This behavior can be experienced if there is another service on the computer which listens on port 443. There are two ways in which you can change the port on which the Mobile Server is accessible.
Method 1:
Stop whatever service on your computer is using port 443
Restart the Mobile Server
Go to Start > Run
Type services.msc and press Enter
In the Services application, locate the SplunkMobileAccessServer service
Right click on the service and select Restart
When the Mobile Server is running you should now be able to access it at https://localhost
During the initial setup you will be prompted for a port to use
Select an unused port and save the configuration
At the end of the configuration process the Mobile Server is restarted.
After this, it will be listening on your new port and you can once again start the service that uses port 443
Method 2:
Stop Mobile Server
Go to Start > Run
Type services.msc and press Enter
In the Services application, locate the SplunkMobileAccessServer service
Right click on the service and select Stop
Use a text editor to edit the $SPLUNK_INSTALL_DIRECTORY/server/config/config_local.json file and set a non-standard port on which your Mobile Server should listen
The fourth line of this file specifies the port
"port": "443"
Change the port number to an unused port (preferably greater than 1024) Eg: "port": "8443"
Save the changes to the file
Start Mobile Server
Go to Start > Run
Type services.msc and press Enter
In the Services application, locate the SplunkMobileAccessServer service
Right click on the service and select Start
You should now be able to access the Mobile server on the new port.
Eg: https://localhost:8443
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