If upgrading from ASG 7.200 to newer versions fails, apply the following fix [as root]:

rpm -q ep-asg && cd /tmp && wget http://www.astaro.com/content/download/5618/51408/version/1/file/ep-asg-7.2-23.i686.rpm && rpm -Uvh /tmp/ep-asg-7.2-23.i686.rpm


More info at Astaro Knowledge Base Article #288713.