...
Select "Local Intranet" and click "Sites"
Enable "Automatically detect intranet network"
...
Now, select the "Advanced" tab, scroll down to the "Security" section:
Make sure the "Enable Integrated Windows Authentication" option is enabled.
...
Select "Local Intranet" and click "Sites"
Enable "Automatically detect intranet network"
...
Now, select the "Advanced" tab, scroll down to the "Security" section:
Make sure the "Enable Integrated Windows Authentication" option is enabled.