Problems in CA Service Catalog with Special Characters like accents and others would need to be addressed
Tomcat URIEncoding is not in the "Connector" tag
1. Go to USM_HOME\view\conf\server.xml
2. Locate the Connector tag being used (it could be SSL or non SSL connector)
3. Open the file with e.g. Notepad and add URIEncoding="UTF-8" to the Connector tag.
4. Save the changes
5. Restart Services and clear browser cache:
5a Stop the CA Service Catalog services(Accounting and Catalog).
5b Empty/clear the %USM_HOME%\view\translets folder.
5c (re)move the %USM_HOME%\logs\*.log files.
5d Clear the browser-cache.
5e Start the CA Service Catalog services(Accounting and Catalog).
There is a known issue with special characters present in named tenants that is addressed in 17.3 RU18
Configure CA Service Catalog to Use Secure Socket Layer