| Error | Likely Cause | Solution | |-------|--------------|----------| | java.io.FileNotFoundException: keystore | Wrong path in server.xml | Use absolute path with forward slashes or double backslashes | | Keystore was tampered with, or password was incorrect | Wrong keystore password | Reset password or recreate keystore | | Certificate chain length > 1 | Missing intermediate CA | Import intermediate cert before server cert | | SSLHandshakeException: no cipher suites in common | Outdated Java/TLS | Update Java or enable TLS 1.2 in server.xml ( sslProtocol="TLSv1.2" ) | | SDP shows HTTP links after change | Server URL not updated in UI | Go to Admin → Server Settings → Update HTTPS URL |

This is the standard method if the UI fails or if you are on an older version.

Fill in the details (Common Name, Organization, etc.). Ensure the matches the URL your users use to access the portal.

<Connector port="8443" protocol="org.apache.coyote.http11.Http11NioProtocol" maxThreads="150" SSLEnabled="true" scheme="https" secure="true" clientAuth="false" sslProtocol="TLS" keystoreFile="C:\ManageEngine\ServiceDesk\conf\certificate\keystore.jks" keystorePass="your_keystore_password" keyAlias="tomcat" />