[framework] what does this mean 3919286a-b10c-11d0-9ba8-00c04fd92ef5:0.0 at ncacn_np:127.0.0.

[net spy]

 hi 
   
   Im having a strange problem since im new to meta sploit might Im doing some thing wrong.here is the error 
  
  msf lsass_ms04_011(win32_adduser) > exploit
  Socket error: Connection failed: Operation now in progress at /home/framework/li
  b/Pex/DCERPC.pm line 825.
  [*] Could not bind to 3919286a-b10c-11d0-9ba8-00c04fd92ef5:0.0 at ncacn_np:127.0.0.
  1[\lsarpc]
  
  
  im using lsass_ms04_011 and win32_adduser payload im targeting to my  local host.whats worng with it i dont know.or the payload im using isnt  appropriate for this exploit??target is windows 2000 server with  sp4.your kind help would be helpful for me.
  

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