As of October the 21st Intune will only support TLS 1.2 (Transport Layer Security). This is to ensure that the Intune services is more secure out of the box and to align with the rest of the Office 365 Suite.
Microsoft statement in regards to moving to TLS 1.2 across the Office 365 stack can be found here https://support.microsoft.com/en-gb/help/4057306/preparing-for-tls-1-2-in-office-365
The following devices do not support TLS 1.2 so will not function in Intune post October change:
- Android 2.3.7
- Android 4.0.4
- Android 4.1.1
- Android 4.2.2
- Android 4.3
- Baidu Jan 2015
- IE 7 / Vista
- IE 8 / XP
- IE 8-10 / Win 7
- IE 10 / Win Phone 8.0
- Java 6u45
- Java 7u25
- OpenSSL 0.9.8y
- Safari 5.1.9 / OS X 10.6.8
- Safari 6.0.4 / OS X 10.8.4
