Fix SharePoint 2013 Designer " The server could not complete your request "

Fix SharePoint 2013 Designer " The server could not complete your request "

When you try to SP 2013 Designer and you get the error "The server could not complete your
request "

To fix this issue follow the following steps :

 Solution Steps:

1- Open SharePoint Server.
2- Open IIS
3- Select "SharePoint Web Services"
4- From Right Pan Click "Authentication"
5- Enable ( Anonymous Authentication, Asp.net Impersonation, Forms Authentication and Windows authentication )
6- Apply IISReset

NADY