If you want to deactivate HTTPs redirection method for “Webdynpro” pages,  then you can use the below steps to do it easily…

1. Go to transaction : SICF

2. Find the service name : Webdynpro

sap –> bc –> webdynpro

3. Right click and select the “Display Service”

4. Change the Display mode to “Edit mode” and click the “Configuration” button

5. Go to “Actions During Logon” area and select the “Do not Switch” selection

If you don’t want to control your multiple logons then you can uncheck the “Check for Multiple Logon” area

6. Save and Exit