Symptoms:

when a windows 2003 server connect the GSLB address of  NLB application, system appear this error "you can't connected because a duplicate name exists on network". But when windows 2008/2012 server connect it , system don't appear such error.


Solution:

because of windows 2003 server 's design, we can solve this problem by modifying the register value from 0 to 1.