If you are still accessing to the classic portal to manage your VM’s and resources, be aware that the classic portal will be deprecated during the next month. The following information has been published in Docs:
The Azure classic portal will be retired January 08, 2018. After this date, if you attempt to use this portal, you will be automatically redirected to the new Azure portal.
For more information, see the blog post announcement, Marching into the future of the Azure AD admin experience: retiring the Azure classic portal. For the temporary extension to the original retirement date, see Update on retirement of Azure AD classic portal experience and migration of conditional access policies.
So take into consideration to assess your client to migrate all the information or control those applications that still in the classic portal.