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pclark
AppDynamics Team (Retired)

When I try to enable the End User Experience in the Controller, I get a license usage retrieval error

While trying to enable the End User Experience in the Controller, it returns an error similar to this one:

 

EUM license usage retrieval failed (Error fetching license usage information 
[org.apache.http.conn.HttpHostConnectException

 

Example of EUM license usage retrieval error

For example, in an environment using the AppDynamics SaaS EUM, the full error might read:

EUM license usage retrieval failed (Error fetching license usage information [org.apache.http.conn.HttpHostConnectException: Connect to agg.eum-appdynamics.com:443 [agg.eum-appdynamics.com/52.10.146.82, agg.eum-appdynamics.com/54.186.213.46, agg.eum-appdynamics.com/54.148.146.12, agg.eum-appdynamics.com/54.191.252.35, agg.eum-appdynamics.com/54.213.8.211, agg.eum-appdynamics.com/54.69.27.161] failed: Connection refused while calling 'https://agg.eum-appdynamics.com/eumaggregator/licenseUsage'])

 

 

EUM License usage retrieval error cause and resolution

To use EUM, you must have port 443 open on the Controller machine so the Controller can access the EUM cloud to collect EUM metrics. The EUM cloud can be hosted in an AppDynamics cloud environment or in your own environment if you have set up an on-premises EUM Server.

EUM in AppDynamics' cloud environment

The Controller needs to access agg.eum-appdynamics.com through the internet using HTTP over SSL on port :443.

On-Premises EUM

 Though the URL agg.eum-appdynamics.com is different, the issue is the same. Make sure port 443 is open.

 

Solution

Confirm that port 443 is open and is not blocked by a firewall.

If you have a proxy in between the Controller and your EUM cloud, configure the proxy as described in this documentation page: Configure On-Prem Controller HTTP Proxy Settings.

 

Additional resources

Install and+Configure the On-Premise EUM Server

Version history
Last update:
‎06-15-2023 09:49 PM
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