Cisco ASA Audit Event: 105526

105526: Unexpected status in response to access token request

Cisco ASA is a security device that provides the combined capabilities of a firewall, an antivirus, and an intrusion prevention system. It also facilitates virtual private network (VPN) connections. It helps to detect threats and stop attacks before they spread through the network.

Message: %ASA-2-105526: (Primary|Secondary) Unexpected status in response to access token request: status_string.

Event 105526 is generated when a response to an Azure access token request had been received but the HTTP status code in the response is not 200 (OK). The status string is specified in the message.

How could you resolve this situation?

Ensure that an Azure authentication client ID, tenant ID, and secret key are all present in the ASA configuration.

Cisco ASA Auditing Tool

EventLog Analyzer is a comprehensive log management software with which you can centrally collect, analyze, and manage logs from all the different log sources in your network. You also get reports and alerts on your network security, making it a power-packed IT security tool.