
If this is happening to only one customer:. Re-download the desired agent/probe and re-try the installation.
Select Administration > Defaults > Appliance Settings. Select your Service Organization (SO) in the top left (should be Orange). Login to N-able N-central using the Product Admin account.
If this is the first customer you are deploying to then you need to change the settings globally:. This error means that the Communication Settings have been incorrectly set.