we are running about 17tentacles and 6 of them can’t be updated from version 3.16.3 to newest one.
- Octopus server: v2019.3.4
- Tentacle is running as a service and have Administrator rights.
- Tentacle has administrator rights at “Upgrade” folder.
There is a LOG file from one of them:
Octopus upgrader version 2019.3.4.0
Current directory: C:\Octopus\Upgrade\20190708184937-5H7DR
 = “OctopusDeploy Tentacle”
 = “C:\Octopus\Upgrade\20190708184937-5H7DR\Octopus.Tentacle.msi”
 = “C:\Octopus\Upgrade\20190708184937-5H7DR\Octopus.Tentacle-x64.msi”
Upgrade mutex acquired
Stopping Tentacle services
Stopping service: OctopusDeploy Tentacle
Error: System.InvalidOperationException: Cannot open OctopusDeploy Tentacle service on computer ‘.’. —> System.ComponentModel.Win32Exception: Access is denied
— End of inner exception stack trace —
at System.ServiceProcess.ServiceController.GetServiceHandle(Int32 desiredAccess)
at Octopus.Upgrader.ServiceBouncer.StopService(ServiceController service)
at Octopus.Upgrader.Program.PerformUpgrade(String args)
Starting: OctopusDeploy Tentacle
Thank you for advice,