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If you are unable to browse to the Uptime Infrastructure Monitor home page, the problem is usually related to security issues, DNS resolution errors or a stoppage of the UIM web server.

To isolate the root cause of the issue

1. Try to access UIM using the IP address of the URL instead of the hostname. For example, if you usually access UIMr at http://myServer:9999 and the IP address of that server is 10.1.1.10, try accessing UIM using http://10.1.1.10:9999.
2. Login to the UIM server and verify if the UIM web server is running.
   On Windows systems, check if the UIM web server is running by entering the following command at the command line:
   

   Code Block
   language sql
   tasklist /svc

   
   If you see UIM Web Server then the Web server is running. Use the following commands to stop and restart the web server:
   

   Code Block
   language sql
   net stop "up.time Web Server" net start "up.time Web Server"

   
   Try to access the web interface after restarting the web service.
   On Linux or Solaris systems, run the following command:
   

   Code Block
   language sql
   ps -ef | grep httpd

   
   Regardless of the service status, try restarting it with the following commands:
   

   Code Block
   language sql
   # /etc/init.d/uptime_httpd stop # /etc/init.d/uptime_httpd start

3. Verify if you can locally access the web interface from the monitoring station. In some cases web services may be blocked from external access by firewalls. If the web interface is available internally, contact your system administrator for instructions on opening the firewall to allow external access to the UIM web interface.
   If the web interface is not available internally or if you receive an error when trying to restart the web service, please contact uptime-support@idera.com for further assistance.