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First, you need to make sure that the server meets the minimum requirements for the tentacle to operate correctly on a windows server.
OS:
Windows Server 20192016
.Net Versions
.Net Framework 4.8 (https://dotnet.microsoft.com/en-us/download/dotnet-framework/thank-you/net48-web-installer)
Note that installing framework 4.8 requires a server reboot
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Next, you need to ensure that the target servers are able to contact our main Octopus server. This requires your hosting server to be able to reach octopus.softrip.com on TCP 10943 and 443. Note that both ports are secure (SSL). TCP 10943 is only needed for initial setup; once the Tentacle service is installed on your application host, that port can be closed.