If you are encountering errors in your Dashboard Gadgets like the image below after upgrading to Uptime IM 7.7, the steps in this knowledge base article should resolve the errors.
Steps to resolve:
- stop the Uptime Controller service
- rename <uptime_dir>\controller\etc\keystore to keystore_old
- run <uptime_dir>\controller\generate_keystore.bat
- edit <uptime_dir>\apache\conf\httpd.conf, add "SSLProxyCheckPeerExpire off" under the "# ssl proxy settings" section example:
- ssl proxy settings
LoadModule ssl_module modules/mod_ssl.so SSLProxyEngine on SSLProxyCheckPeerExpire off
ProxyPass /api https://uptime:9997/api
retry=0 ProxyPassReverse /api https://uptime:9997/api - restart Uptime services
Uptime Data Collector (uptime_core on Linux) 
Uptime Controller (uptime_controller on Linux) 
Uptime Web Server (uptime_httpd on Linux)
- browse to the Dashboards and review; the gadgets should display without errors again.
If the errors persist or new errors appear, please reach out to Uptime IM Support at uptime-support@idera.com for further investigation.