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Upgrading from v9 to v12? SSL Consideration.

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Apparently during the upgrade from PRTG version 9 to version 12 the SSL certificates work a bit differently. This can be written up a bit better, but here is a brief overview. After the upgrade, the SSL (a purchased certificate) certificate no longer matched. I opened the "Program Files\PRTG Network Monitor\cert" directory and noticed that "prtg.crt" and "prtg.key" existed with new file modification dates while the old "prtg7.crt" and "prtg7.key" files still existed. I backed up the "prtg.crt" and "prtg.key" files and overwrite them with the "prtg7" files. I restarted the PRTG services and SSL was back in business with the proper purchased certificate.

certificate ssl upgrade

Created on May 29, 2012 2:02:35 PM by  stanmat (129) 3 1



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For details about "lost" certificates after updating to PRTG 12, please see:

Lost SSL certificate files after updating to PRTG 12. What can I do?

Created on May 29, 2012 4:28:59 PM by  Daniel Zobel [Product Manager]



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We have a forefront TMG server infront of our PRTG server but when I enable SSL I get that the following message "Error Code: 500 Internal Server Error. The client and server cannot communicate, because they do not possess a common algorithm. (-2146893007)" any one has some experience with this?

We have other server published the same way and they work fine.

Created on May 29, 2012 3:44:01 PM by  kdewaard (15) 1



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For details about "lost" certificates after updating to PRTG 12, please see:

Lost SSL certificate files after updating to PRTG 12. What can I do?

Created on May 29, 2012 4:28:59 PM by  Daniel Zobel [Product Manager]



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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.