For Lync Web App to work correctly, you need to enable cookies in your browser.
Here's how to enable cookies if your browser is blocking them:
Edge (Windows 10)
-
In the Edge window, select More (...) > Settings > View advanced settings.
-
Scroll down to Cookies, and select Don't block cookies
Internet Explorer
-
In Internet Explorer, in the menu bar, selectTools > Internet options > Privacy > Advanced.
-
Select Accept or Prompt under First-party Cookies, and Accept or Prompt under Third-party Cookies.
-
Select OK.
Chrome
-
In a Chrome window, do one of the following:
-
In the browser address box, enter chrome://settings/content.
OR
-
On the Chrome menu, select Settings > Show advanced settings, and then under Privacy, select Content settings.
-
-
In the Content settings dialog box, under Cookies, make sure Allow local data to be set (recommended) is selected.
-
Select Done and refresh the browser.
Mozilla Firefox
-
If you’re using Windows, in the Firefox window, select Open menu > Options.
Tip: If you’re using a Mac, go to Firefox > Preferences.
-
Select the Privacy tab.
-
In the History section under Firefox will, select Use custom settings for history.
-
Make sure Accept cookies from sites is checked and Accept third party cookies is set to Always, and then select OK.
Safari
-
On your Mac, go to Safari > Preferences > Privacy.
-
Under Cookies and website data, select Always allow.
-
Select Close and refresh the browser.