Hello, friend!
Step 1 Log in to the ITA server to be upgraded.
Step 2 Obtain the certificates tomcat.jks (server) and itacert.p12 (client) from the ITA installation directory /opt/ITA/tomcat/ita/WEB-INF/conf/security.
Step 3 Right-click stop.bat in the FusionAccess_UpdateTool installation directory and choose Run as administrator from the shortcut menu to stop UpdateTool.
Step 4 Go to the FusionAccess_UpdateTool installation directory FusionAccess_UpdateTool\tomcat\webapps\ROOT\WEB-INF\classes and copy the certificate obtained in Step 2 to it.
Step 5 Go to the FusionAccess_UpdateTool\KeyBuild directory and run the following command in the CLI:
..\jre\bin\java -jar KeyBuild.jar buildkey
Step 6 Enter the password of tomcat.jks (Huawei@123 by default). Press Enter to confirm the password. Then, a line of encrypted ciphertext is generated. Copy the ciphertext, for example, d2NjX2NyeXB0ATQxNDU1MzVGNDM0MjQzOzQ2MzY0NDMzMzYzMzMwMzczMzM5NDI0NjQ1NDIzOTQzMzczNjQ0NDM0NDMyMzIzOTMzMzk0MzMxNDYzMjM0MzI7OzM1MzAzMDMwMzA7QUVEQTMxNDA3MzEyNzY1NkUxRTM4QjEzOTc2MzYxNDA7MjlFMTBCMDUyQ0M1OEU2QjszNjYzMzQ2MTMwNjY2MjM2MkQzMjYyNjMzMTJEMzQ2MjM3NjYyRDM5MzgzODY2MkQzMzMzMzUzMDYzMzMzODM3MzU2MTMzMzQ7.
Step 7 Go to the directory FusionAccess_UpdateTool\tomcat\webapps\ROOT\WEB-INF\classes and change the value of ITA_CRE_SERVER_PWD in the toolconfig.properties file to the ciphertext obtained in Step 6, for example, ITA_CRE_SERVER_PWD=d2NjX2NyeXB0ATQxNDU1MzVGNDM0MjQzOzQ2MzY0NDMzMzYzMzMwMzczMzM5NDI0NjQ1NDIzOTQzMzczNjQ0NDM0NDMyMzIzOTMzMzk0MzMxNDYzMjM0MzI7OzM1MzAzMDMwMzA7QUVEQTMxNDA3MzEyNzY1NkUxRTM4QjEzOTc2MzYxNDA7MjlFMTBCMDUyQ0M1OEU2QjszNjYzMzQ2MTMwNjY2MjM2MkQzMjYyNjMzMTJEMzQ2MjM3NjYyRDM5MzgzODY2MkQzMzMzMzUzMDYzMzMzODM3MzU2MTMzMzQ7.
Step 8 Refer to Step 5 to Step 7 to generate the ciphertext of the password for the client certificate itacert.p12, go to the directory FusionAccess_UpdateTool\tomcat\webapps\ROOT\WEB-INF\classes, and change the value of ITA_CRE_CLIENT_PWD in the toolconfig.properties file to the ciphertext.
Step 9 Right-click start.bat in the FusionAccess_UpdateTool installation directory and choose Run as administrator from the shortcut menu to start UpdateTool.
Hope this helps!