Access to the configuration server could not be established

when I run my mapping script I got this error

C:\Documents and Settings\admin>symconfigure -sid 123  -v -f map.txt preview
 
Execute a symconfigure operation for symmetrix '0000000123' (y/) ? y
 
A Configuration Change operation is in progress. Please wait...
 
    Establishing a configuration change session...............Failed.
 
    Error occurred while Starting
    Access to the configuration server could not be established
 
 
The configuration change session has failed.