Security Compliance

Unable to login to ARM application with the following error: "The connection to the ARM server was rejected. Please contact the ARM administrator. The application is probably not registered, or the client certificate is invalid."

ARM Client is installed which is already in use on the ARM-Server, local on the computer. However, when you try to log. Getting the following error "The connection to the ARM server was rejected. Please contact the ARM administrator. The application is probably not registered, or the client certificate is invalid."

First published date

6/15/2026 3:30 PM

Last published date

6/15/2026 3:30 PM

Overview

Product section

Access Rights Manager

Resolution

The registering of the ARM clients to get the related certificate for the encrypted communication has been mandatory since ARM 2024.3.

The client certificate should have been removed after performing the update on your client machine. Because of the new certificates generated on the ARM Server you need to perform the client registration as illustrated in the following article. Please do this also for any other ARM clients in the network.

How to register the ARM clients

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