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The NI Security-related tools and VI Server properties and methods can return the following error codes. Refer to the KnowledgeBase for more information about correcting errors in LabVIEW.

Code	Description
1367	Unable to authenticate because the NI Security library failed to load. Ensure that LabVIEW is installed properly.
1368	Unable to authenticate because LabVIEW failed to load an NI Security library that is required to authenticate access.
1379	The user failed a security authentication check.
−1967362045	Operation timed out.
−1967362022	Buffer underflowed. An attempt was made to read from an empty buffer.
−1967362021	File already exists.
−1967362020	The provided refnum is invalid.
−1967362019	A null refnum was provided as input.
−1967362014	Class not found.
−1967362013	No known value.
−1967362012	Invalid locale.
−1967362000	Invalid UTF8 encoding sequence.
−1967361998	Badly formatted GUID string.
−1967361997	Bad Type
−1967345663	Generic security error.
−1967345662	Version is not supported by peer.
−1967345661	Account is locked.
−1967345660	Logos session timed out or is locked out by other users.
−1967345659	The specified user does not exist.
−1967345658	The specified group does not exist.
−1967345657	Duplicate name.
−1967345656	Message is corrupted.
−1967345655	The domain server failed to complete a function.
−1967345654	Cannot delete built-in principals.
−1967345653	Invalid password.
−1967345652	Not a local computer.
−1967345651	Not an administrator.
−1967345650	Domain is not defined.
−1967345649	Domain already exists.
−1967345648	Password is too short or too long.
−1967345647	Machine is denied access.
−1967345646	Requested data denied.
−1967345632	Cannot lock account.
−1967345631	Network connection timed out.
−1967345630	File corrupted.
−1967345629	Network is disconnected.
−1967345628	Requested data not found.
−1967345627	Operation cancelled by user.
−1967345626	Attempt to advertise service to National Instruments PSP Server Locator failed.
−1967345616	Message size less than one block.
−1967345615	Failed to generate random number.
−1967345614	Passwords do not match.
−1967345612	Password too short.
−1967345611	Password too long.
−1967345610	Domain already added.
−1967345609	No more principals.