How to avoid the domain credential prompt when using windows authentication for the web portal? (4249605)

Internet Explorer prompt for  domain credentials when web portal is configured to use windows authentication for single-sign-on. How to avoid the domain credential prompt when using windows authentication for single-sign-on to the web portal?

1. Activate the "Enable Integrated Windows Authentication" option in Internet Explorer browser under Internet Options | Advanced | Security. 
2. Add the web portal URL to the Local intra.net sites in Internet Explorer browser under Internet Options | Security | Advanced.