APM Insight monitor not getting added to Applications Manager
Possible Reasons for the Issue,
1. Incorrect Host and Port Settings
The host and port settings for the Application Manager in the APM Insight agent's configuration may be incorrect. To verify and correct these settings, follow the steps below:
Linux:
curl 'http://<apm-host>:<apm-port>/index.do' | grep 'Applications Manager'
For Example:
Windows:
add-type 'using System.Net;using System.Security.Cryptography.X509Certificates;public class TrustAllCertsPolicy : ICertificatePolicy {public bool CheckValidationResult(ServicePoint a,X509Certificate b,WebRequest c,int d){return true;}}';[System.Net.ServicePointManager]::CertificatePolicy=New-Object TrustAllCertsPolicy;(Invoke-WebRequest -Uri 'http://<apm_host>:<apm_port>/index.do').Content -split "`n" | Where-Object {$_ -match 'Applications Manager'}
For Example:
Note: Replace <apm-host> and <apm-port> with appropriate the Applications Manager server hostname/IP Address and Port
If the output contains references to 'Applications Manager', the host and port settings are correct. Otherwise, update the settings with the accurate values and restart the agent.
2. Network and Firewall Configurations
Ensure that network and firewall configurations allow communication between the APM Insight agent and the Application Manager. To validate this, use the following commands:
Linux:
# Check if the host is reachable
ping <apm-host>
# Check if the port is open
nc -zv <apm-host> <apm-port>
For Example:
Windows:
# Check if the host is reachable
Test-Connection -ComputerName <apm-host> -Count 1
# Check if the port is open
Test-NetConnection -ComputerName <apm-host> -Port <apm-port>
For Example:
Note: Replace <apm-host> and <apm-port> with appropriate the Applications Manager server hostname/IP Address and Port
If a proxy server is in use, specify the proxy server configuration in the APM Insight agent's settings to ensure proper communication between the agent and the Application Manager.
3. Incorrect or Mismatched License Key:
- Verify that the license key entered in the APM tab's "Add New Monitor" page is accurate and matches the one provided for your Application Manager.
- If not, correct them as needed and restart the agent to reflect the change.
Note: Any update made to the APM Insight agent's configuration requires a restart of the agent to ensure that the change take effect
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