A new Windows user might want to run the tomcat service and Excel.
Here we outline how to adjust DCOM permissions for a hypothetical new user, EASA-user.
If Excel is missing from the list confirm a C:\Windows\System32\config\systemprofile\Desktop file exists.
Click Customize for Launch and Activation Permissions below.
After Customize, click Add to search for a user who will run tomcat service and Excel.