ELCK Error code

ELCK indicates that the requested operation could not be performed because of an existing lock by another process accessing the same interface. ELCK is also returned when a process attempts to unlock an interface for which it currently has no lock.

Solutions

Call iblck to lock the interface. If iblck continues to return ELCK, lengthen the LockWaitTime and wait for the other process to relinquish its interface lock.

Ensure that you have successfully locked the interface prior to unlocking it.

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