You can follow below steps to resolve this issue:
- Login into IIS.
- Now click on particular website for which you want to deploy.
- After clicking on website you will get various options on right side of panel, click on “Edit Permissions”.
- In new windows click on “Security” tab and assign full permission to FTP user.
- First click on the website on left sidebar and you will get various options on right side.
- Now choose IIS Manager Permission option.
- On right side panel you have to click on “Allow user”option.
- In windows click on “select”option and then choose “Advanced option”.
- Now select your particular FTP user and hit “Ok”.
- Select windows and click on the select option.