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Event ID: 3870 Source: workstation

Source
Level
Description
<computer name> is not a valid computer name.
Comments
 
This behavior can occur if any one of the following conditions is true:
1.The computer has two network adapters and both network adapters attempt to register the same NetBIOS name with the Microsoft Windows Internet Naming Service (WINS).
2.A static entry exists in the WINS database.
3.There is a problem with a hardware component of the network, for example, a switch or router.
See ME317140, "JSI Tip 0935" and "JSI Tip 0980" to solve this problem.
If your computer has two network adapters installed, this behavior can occur if both network adapters attempt to register the same NetBIOS name with the Microsoft Windows Internet Naming Service (WINS). See ME197157 to avoid this problem.

See ME248057 to find out how to remove and reinstall the Workstation service.

See the link to "EventID 3870 from source System" for details on this event.
A possible static entry in the WINS database is the cause of this problem. To resolve this problem, remove the static entry from the WINS database.

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