I ran into this issue as well at my office. I'm not sure if this is an "official fix" , but I created a group policy on my wireless network for the Chromecast to bypass the splash page. This was strange because my network doesn't use a splash page, but it has worked since. Log in to Dashboard. Navigate to Configure > Group Policies. Click Add a group. GIve the group policy a name (for example, “Bypass Splash Page”) Select “Bypass” in the Splash drop-down Click Save at the bottom of the page
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