[Critical Notice]: PPTP service was ended.

Dear all,

PPTP (VPN) service was ended on 13th May, 2019.
If you use PPTP (VPN) service yet, please change it to IKEv2 (VPN) service.

In detail: http://www.iimc.kyoto-u.ac.jp/en/whatsnew/information/detail/190415055567.html

How to use IKEv2 (VPN)
– http://www.iimc.kyoto-u.ac.jp/en/services/kuins/vpn/ikev2.html

• macOS and iOS (iPhone / iPad) already used IKEv2 (VPN) service since
  2 or 3 years ago, so this issue occurs on Android OS and Windows.

May 17, 2019 Information Processing Office.