Information
Certain encryption types are no longer considered secure. This setting configures a minimum encryption type for SharePoint. Different versions of the Windows Server OS and versions of SharePoint will have different suites available.
Solution
Configure SharePoint to employ FIPS-validated cryptography to protect unclassified information when such information must be separated from individuals who have the necessary clearances yet lack the necessary access approvals.
Open MMC.
Click 'File', 'Add/Remove Snap-in', and 'add Group Policy Object Editor'.
Enter a name for the Group Policy Object, or accept the default.
Click 'Finish'.
Click 'OK'.
Navigate to Computer Policy >> Computer Configuration >> Administrative Templates >> Network >> SSL Configuration Settings.
Right-click 'SSL Configuration Settings', click 'SSL Cipher Suite Order', and then click 'Edit'.
In the 'SSL Cipher Suite Order' dialog box, select 'Enabled'.
Under 'Options', in the 'SSL Cipher Suites' text box, enter desired cipher suites that are not DES or RC4.
Click 'OK'.