-684 FFFFFD54 SECURE NCP VIOLATION
Source
eDirectory
Explanation
An attempt to connect to a client or server failed.
Warning: Applying all solutions mentioned in this topic could make the problem worse if the actual cause of the problem is not known. Before following a course of action, make sure that you understand the cause of the error and the consequences for the actions suggested.
Possible Cause
An attempt was made to authenticate to a client or server where the target client or server does not support or use IPX Packet Signatures; however, the source client or server requires the use of IPX* Packet Signatures.
Action
Enable support for IPX Packet Signatures on the target client or server.
Possible Cause
Packet corruption is occurring that might be caused by faulty LAN drivers, LAN cards, or other LAN/WAN equipment existing between the source and target servers.
Action
Make sure that any LAN/WAN equipment, cards, and drivers that exist between the source and target server are functioning properly.
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