\documentclass[xcolor=dvipsnames]{beamer}
\makeatletter
\mode<presentation>
{
\usetheme{Berlin}
\usecolortheme{crane}
\usefonttheme{serif}
\setbeamertemplate{navigation symbols}{}
\setbeamertemplate{caption}[numbered]
\setbeamertemplate{theorems}[numbered]
\setbeamertemplate{footline}
{
\leavevmode%
\hbox{%
\begin{beamercolorbox}[wd=.333333\paperwidth,ht=2.25ex,dp=1ex,center]{author in head/foot}%
\usebeamerfont{author in head/foot}\insertshortauthor
\end{beamercolorbox}%
\begin{beamercolorbox}[wd=.333333\paperwidth,ht=2.25ex,dp=1ex,center]{title in head/foot}%
\usebeamerfont{title in head/foot}\insertshorttitle
\end{beamercolorbox}%
\begin{beamercolorbox}[wd=.333333\paperwidth,ht=2.25ex,dp=1ex,right]{date in head/foot}%
\usebeamerfont{date in head/foot}
\insertframenumber{}% / \inserttotalframenumber
\hspace*{2ex}
\end{beamercolorbox}}%
\vskip0pt%
}%
}
\makeatother
\renewcommand*{\thefootnote}{\fnsymbol{footnote}}
\usepackage[english]{babel}
\usepackage[utf8x]{inputenc}
\title[Musterthema kurz]{Musterthema zum Erforschen langer Musterstrukturen}
\author{Hans Mustermann\footnote{Text der Fußnote}}
\institute{Musteruniversität}
\AtBeginSection[]
{
\begin{frame}<beamer>
\frametitle{Outline}
\tableofcontents[currentsection,currentsubsection]