you can download it from:
http://www7.software.ibm.com/vad.nsf
or check the Overview from
http://www7.software.ibm.com/vad.nsf/FrameData/Master?OpenDocument&Title=Overview&FSet=1&Doc3=4123&Doc4=4126
EMsrv is a server application that allows to share Visualage for Java code repository on a network to have a multiuser development enviroment.
Martin