Duplicate Hardware IDs result in only one client showing up in the Symantec Endpoint Protection Manager for multiple systems

http://www.symantec.com/business/support/index?page=content&id=TECH97626

1. Stop SMC on both of the affected client computers by clicking Start > Run, type smc -stop then click OK.
2. On the SEPM console, delete the client entry that the two computers have been sharing. This will prevent the client duplication that would otherwise occur due to the following steps.
3. On each of the affected computers, go to registry location:
   • HKLM\Software\Symantec\Symantec Endpoint Protection\SMC\Sylink\Sylink
4. Clear the value for "Hardware ID." (make it blank)
5. Disable Tamper Protection if you are unable to edit the value.

SEP 12.1 Location:

• Windows XP/2003: C:\Documents and Settings\All Users\Application Data\Symantec\Persisted Data
• Windows Vista/7/2008: C:\Program Data\Symantec\Symantec Endpoint Protection\Persisted Data

1. Find file "sephwid.xml". Rename it to "sephwid.xml.bak".
2. Start SMC on each computer by clicking Start > Run, type smc -start then click OK.
3. Check the SEPM console for the new SEP client
   • When the clients check in they should have unique hardware IDs