I just downloaded the RS2.1 RC1 installer and installed with included tomcat and Postgres. Installation went well and the site is up-and-running only everything is in German. Mayby I am not looking good but I do not see an option to set the language to English anywhere …
on the login page, you can choose between the available languages (currently, English and German). To switch to English, click on the options button
and choose English. Alternatively you can add a “?locale=en” to the URL which will directly load ReportServer with English as the default locale.