DD works on host names but can also accept IP Address as Distribution Server name. When using IP Address, DD needs to be able to map the IP Address to its host name; if not, it will reject the job.
Note: When the DD starts, it generates a default configuration file using the current Host of the computer it is running on. If you need to change the name of the computer, you need to regenerate the configuration file.
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In Configuration Tool, go to System Config and click the Reset Config button. This can also be done on a remote DD host.
Tip: You can also delete the current Configuration File, or you can open it and change the host name within the file.
This file, lsretail.config, is located on newer OS like Win7 and Win2008 under \ProgramData\LS Retail\Data Director and on older OS like XP and Win2003 under \Documents and Settings\All Users\Application Data\LS Retail\Data Director.
Note: DD Service needs to be restarted after resetting the Configuration file or changing the host name. You must remove the old host name from the Configuration Tool, and either type in a new host name or restart the Configuration Tool, and it will add the current host name to its list.