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It is sometimes necessary to stop SSLv2 from running on your server to increase security. Disabling SSLv2 in this way simply forces SSLv3 to take over, which is a much more secure process.

To start type regedit in the run/search bar and hit enter.

Backup the registry

Go to HKey_Local_Machine\System\CurrentControlSet\Control\SecurityProviders \SCHANNEL\Protocols

Create a SSL2.0 server key so you have the following:

HKey_Local_Machine\System\CurrentControlSet\Control\SecurityProviders \SCHANNEL\Protocols\SSL 2.0\server

In server key add a DWord called Enabled

Set Enabled data value to 00000000 (The picture above shows what it should look like afterwards)

Click OK and reboot server

Once the server has rebooted then any SSLv2 calls will simply use SSLv3 instead.