What is this?

This knowledgebase contains questions and answers about PRTG Network Monitor and network monitoring in general.

Learn more

PRTG Network Monitor

Intuitive to Use. Easy to manage.
More than 500,000 users rely on Paessler PRTG every day. Find out how you can reduce cost, increase QoS and ease planning, as well.

Free Download

Top Tags

View all Tags

Problem installing PRTG Network Monitor on Windows Server 2016



After installation, an error message says "PRTG Webserver could not be started properly". Checked that the PRTG Core Server Service is not started but the PRTG Probe Service is started. Tried to start Core Server Service manually but failed. Windows Event Log (Application) says: "The description for Event ID 0 from source PRTGCoreService cannot be found. Either the component that raises this event is not installed on your local computer or the installation is corrupted. You can install or repair the component on the local computer. If the event originated on another computer, the display information had to be saved with the event. The following information was included with the event: Could not start webserver: Signature of C:\Program Files (x86)\PRTG Network Monitor\64 bit\PRTG Server.exe is not valid"

core-server failed-installation prtg-network-monitor windows2016

Created on Mar 22, 2018 12:47:20 AM

1 Reply




Thank you for the reply. This KB guide should help: The signature of my PRTG server is not valid. What can I do?

best regards.

Created on Mar 22, 2018 12:19:09 PM by  Torsten Lindner [Paessler Support]

Disclaimer: The information in the Paessler Knowledge Base comes without warranty of any kind. Use at your own risk. Before applying any instructions please exercise proper system administrator housekeeping. You must make sure that a proper backup of all your data is available.