Tentacle.exe configure --instance "Tentacle" --trust "YOUR_OCTOPUS_THUMBPRINT" --console
Tentacle.exe service --instance "Tentacle" --install --start --console
From <https://help.octopusdeploy.com/discussions/questions/4060-trust-multiple-octopus-servers>
.\Tentacle.exe configure --instance "Tentacle" --trust "OCTO_2 Thumbprint" --console
.\Tentacle.exe service --instance "Tentacle" --reconfigure --stop --start --console
From <https://help.octopusdeploy.com/discussions/questions/4060-trust-multiple-octopus-servers>
1. Check the web.config to make sure it does say to use framework version 4.6.1
2. Check the registry key “HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\SecurityProviders\SCHANNEL\Protocols\TLS 1.2” both the client and server sub keys.
Check the following keys:
[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\.NETFramework\v4.0.30319]
"SchUseStrongCrypto"=dword:00000001
[HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Microsoft\.NETFramework\v4.0.30319]
"SchUseStrongCrypto"=dword:00000001
[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\SecurityProviders\SCHANNEL\Protocols\TLS 1.2]
[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\SecurityProviders\SCHANNEL\Protocols\TLS 1.2\Client]
"DisabledByDefault"=dword:00000000
"Enabled"=dword:00000001
[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\SecurityProviders\SCHANNEL\Protocols\TLS 1.2\Server]
"DisabledByDefault"=dword:00000000
"Enabled"=dword:00000001