Kindly refer https://experienceleague.adobe.com/docs/experience-manager-64/managing/managing-further-reference/hardware-sizing-guidelines.html?lang=en#architecture 

Try to comment your vhost file in dispatcher module and re-run it.

If this is for end user then as @arunpatidar  mentioned , use CUG.

Create a new folder and try in that again .

Can you share the User permission snapshot , also check the groups where this user in added .

So you can try to "deny" all check .After that you need to select the section /pages which you need to allow for that user.

Check User and GroupsFor 6.5 version referhttps://experienceleague.adobe.com/docs/experience-manager-65/administering/security/security.html?lang=en#:~:text=Permissions%20give%20users%20and%20groups,clearing%20the%20appropriate%20check%20boxes.  

Refer : https://experienceleague.adobe.com/docs/experience-manager-learn/cloud-service/local-development-environment-set-up/aem-runtime.html?lang=en 

Refer the post https://experienceleaguecommunities.adobe.com/t5/adobe-experience-manager/how-to-set-default-value-in-a-touch-ui-select-element/m-p/189815 Also https://developer.adobe.com/experience-manager/reference-materials/6-5/granite-ui/api/jcr_root/libs/granite/ui/docs/changelogs.html Thanks 

Keep dispatcher module and run the pipeline .As your author instance is also serving via dispatcher only .In cloud service you can have option to configure full stack , front-end and web tier config for pipeline only.For more info refer : https://experienceleague.adobe.com/docs/experience-manager-cl...