
To apply this update, you must first have update 2919355 installed in Windows 8.1 or Windows Server 2012 R2. If you do not see your language, it is because a hotfix is not available for that language. The "Hotfix download available" form displays the languages for which the hotfix is available. For a complete list of Microsoft Customer Service and Support telephone numbers or to create a separate service request, go to the following Microsoft website: The usual support costs will apply to additional support questions and issues that do not qualify for this specific hotfix. Note If additional issues occur or if any troubleshooting is required, you might have to create a separate service request. If this section does not appear, contact Microsoft Customer Service and Support to obtain the hotfix. If the hotfix is available for download, there is a "Hotfix download available" section at the top of this Knowledge Base article. Therefore, if you are not severely affected by this problem, we recommend that you wait for the next software update that contains this hotfix. This hotfix might receive additional testing. Apply this hotfix only to systems that are experiencing the problem described in this article. However, this hotfix is intended to correct only the problem that is described in this article. However, some 3GPP networks require the device to wait for a new IPv6 subnet ID from a router advertisement in order to form a new IPv6 unicast address whenever the mobile broadband connection is activated.Ī supported hotfix is available from Microsoft Support. Windows tries to use the previously assigned IP addresses so that existing applications with active TCP connections don't experience aren't disconnected from the network after a transient connection loss over a wired or wireless network.

This problem occurs because Windows 8.1 uses the previous unicast IPv6 address for a short time when the mobile broadband connection is initiated. In this scenario, the mobile broadband connection is disconnected after several seconds, and you have to reconnect in order to reactivate the connection. You reconnect to the mobile broadband network. You set Airplane mode to ON and then set it back to OFF after 10–15 seconds. You start a Windows 8.1 tablet and connect to a mobile broadband connection by using Internet Protocol Version 6 (IPv6). Windows 8.1 Windows 8.1 Enterprise Windows 8.1 Pro More.
