In Internet Explorer's browser page window, type:
http://servers-ip-address:14534
This will connect you to the web page
generated by your TeamSpeak server.
The first time you log in you use the username of "admin" and the password that you get by looking at the file "server.log" in the tss2 directory. The first time the server is run, it creates a unique password and puts it into the server.log file. This password is determined randomly using the time of day the first time the server is run.
Once you get logged in the first time with admin privlidges, you can create a new admin name and password that you can remember. All of this information and much more is available in the HTML manual that comes with TeamSpeak. It is definately worth a good read.
Hope this helps