Mac OS X El Capitan 10.11.6 has its main emphasis on the bug fixes and on improvement of the security. Its prime attention is on under the hood improvements and not on the outer look. This update has determined frequent matters which the users were in front of and few of them are as follows, it solves the issue which will prevent settings to be protected in the account while the parental control option is enabled. It has also resolved the issue which was stopping the network devices to access SMB share points. Few users were facing Active Directory authentication to take lengthier time than expected and this problematic has been determined effortlessly.