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Dear All,   New member here. Would like to kindly ask if anyone's aware of below error we received for 1 of our Azure server (=Linux (ubuntu 16.04)) in Azure update management task:      Package failed to install: expedition-beta (1.1.89). |- Error code: 100. Command used: sudo DEBIAN_FRONTEND=noninteractive apt-get -y --only-upgrade true install expedition-beta=1.1.89 |- Command output: Reading package lists... Building dependency tree... Reading state information... The following packages were automatically installed and are no longer required: linux-azure-cloud-tools-4.15.0-1096 linux-azure-cloud-tools-4.15.0-1100 linux-azure-headers-4.15.0-1096 linux-azure-headers-4.15.0-1100 linux-azure-tools-4.15.0-1096 linux-azure-tools-4.15.0-1100 Use 'sudo apt autoremove' to remove them. The following packages will be upgraded: expedition-beta 1 upgraded, 0 newly installed, 0 to remove and 53 not upgraded. Need to get 43.7 MB of archives. After this operation, 0 B of additional disk space will be used. expedition-beta E: There were unauthenticated packages and -y was used without --allow-unauthenticated ... View more