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To manage TLS 1.2 permissions requires intimate knowledge of the registry. See these Microsoft articles for more information: and To simplify the management of these settings, we use the program IIS Crypto from Nartec Software at Tricerat and it makes managing these security settings as easy as clicking a button. See their documentation here for a complete description. We recommend using the Best Practices button. Make sure you understand the TLS/SSL requirements of other software you may use as weak protocols may be disabled by IIS Crypto. When making changes, a reboot is always necessary!


A good practice is to always backup the registry before making changes



IIS Crypto even has a button to help with that! . See the Advanced tab and the Backup Registry button.