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May 18, 2022 02:43
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Enable TLS 1.2 on Windows Server 2008 R2
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Problem | |
~~ Enable TLS 1.2 on Windows Server 2008 R2? | |
Solution | |
Recommends enabling and using the TLS 1.2 protocol on your server. | |
TLS 1.2 has improvements over previous versions of the TLS and SSL protocol which will improve your level of security. | |
By default, Windows Server 2008 R2 does not have this feature enabled. | |
Start the registry editor by clicking on Start and Run. Type in "regedit" into the Run field (without quotations). | |
Highlight Computer at the top of the registry tree. Backup the registry first by clicking on File and then on Export. | |
Select a file location to save the registry file. | |
Note: | |
You will be editing the registry. | |
This could have detrimental effects on your computer if done incorrectly, so it is strongly advised to make a backup. | |
Browse to the following registry key: | |
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\SecurityProviders\SCHANNEL\Protocols | |
Right click on the Protocols folder and select New and then Key from the drop-down menu. This will create new folder. | |
Rename this folder to TLS 1.2. | |
Right click on the TLS 1.2 key and add two new keys underneath it. | |
Rename the two new keys as: | |
Client | |
Server | |
Right click on the Client key and select New and then DWORD (32-bit) Value from the drop-down list. | |
Rename the DWORD to DisabledByDefault. | |
Right-click the name DisabledByDefault and select Modify... from the drop-down menu. | |
Ensure that the Value data field is set to 0 and the Base is Hexadecimal. Click on OK. | |
Create another DWORD for the Client key as you did in Step 7. | |
Rename this second DWORD to Enabled. | |
Right-click the name Enabled and select Modify... from the drop-down menu. | |
Ensure that the Value data field is set to 1 and the Base is Hexadecimal. Click on OK. | |
Repeat steps 7 to 14 for the Server key (by creating two DWORDs, DisabledByDefault and Enabled, and their values underneath the Server key). | |
Reboot the server. | |
Your server should now support TLS 1.2. | |
Note: | |
This article cannot be used on a Windows Server 2003 (IIS 6). | |
Windows Server 2003 does not support the TLS 1.2 protocol. | |
Reverting Back | |
If you make a mistake or something just isn't right, you can revert back to your previous registry settings by opening the Registry Editor and importing the backup you made in step x. |
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