When installing a RADIUS agent on a Windows server, the installation halts during the agent registration process. Checking the agent log file states the following error:

ERROR - Failed to save properties
com.okta.agent.AgentRuntimeException: OAuth Code has expired, please restart the registration process.
at com.okta.agent.api.http.RestClient.getTokenFromOAuthCode(RestClient.java:316)
at com.okta.ragent.util.ValidatorUtil.validateCmdArgs(ValidatorUtil.java:181)
at com.okta.ragent.app.Agent.main(Agent.java:31

• RADIUS Agent
• Internet Explorer
• Okta Classic Engine

RADIUS Agent install requires them to enter the proxy information if a proxy is utilized on the server. The same proxy configuration also needs to be configured directly in Internet Explorer on the same server. For more information on proxy configuration for Internet Explorer, please refer to the references below. 
 

Related References

• Using Proxy Servers together with Internet Explorer