Error code

Message

-1073479679

OpcInvalidHandle: The value of the handle is invalid. Note  a client should never pass an invalid handle to a server. If this error occurs, it is due to a programming error in the client or possibly in the server.

-1073479676

OpcBadType: The server cannot convert the data between the specified format/ requested data type and the canonical data type.

-1073479675

OpcPublic: The requested operation cannot be done on a public group.

-1073479674

OpcBadRights: The Items AccessRights do not allow the operation.

-1073479673

OpcUnknownItemID: The item ID is not defined in the server address space (on add or validate) or no longer exists in the server address space (for read or write).

-1073479672

OpcInvalidItemID: The item ID doesn't conform to the server's syntax.

-1073479671

OpcInvalidFilter: The filter string was not valid

-1073479670

OpcUnknownPath: The item's access path is not known to the server.

-1073479668

OpcDuplicateName: Duplicate name not allowed.

-1073479165

OpcInvalidPid: The passed property ID is not valid for the item.

-1073479663

OpcNotFound: The requested object (e.g. a public group) was not found.

-1073478656

OpcDeadbandNotSet: The item deadband has not been set for this item.

-1073478655

OpcDeadbandNotSupported: The item does not support deadband.

-1073478654

OpcNoBuffering: The server does not support buffering of data items that are collected at a faster rate than the group update rate

-1073478653

OpcInvalidContinuationPoint: The continuation point is not valid

-1073478651

OpcRateNotSet: Indicates that there is no sampling rate set for a particular item. In this case, the item defaults to the update rate of the group.

-1073478650

OpcNotSupported: If a client attempts to write any value, quality, timestamp combination and the server does not support the requested combination (which could be a single quantity such as just timestamp), then the server will not perform any write and will return this error code.

262157

OpcUnsupportedRate: The server does not support the requested data rate but will use the closest available rate.

262158

OpcClamp: A value passed to WRITE was accepted but the output was clamped.

262159

OpcInUse: The operation cannot be performed because the object is being referenced.

263172

OpcDataQueueOverflow: Indicates that not every detected change has been returned for this item. This is an indicator that servers buffer reached its limit and had to purge out the oldest data. Only the most recent data is provided. The server should only remove the oldest data for those items that have newer samples available in the buffer. This will allow single samplings of older items to be returned to the client.

1073479664

OpcInvalidConfigFile: The server's configuration file is an invalid format.

1073479669

OpcRange: The value was out of range.