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Standard Return Values

The Network Load Balancing Provider communicates status and error information as follows:

  • All WMI operations that produce an error create an __ExtendedStatus object. Depending on the source of the error, the StatusCode property of the __ExtendedStatus object may contain one of the values listed below.
  • The MicrosoftNLB_Node methods also generate the following values which are returned through the ReturnValue property of IWbemClassObject.
Value Error code Description
1000
WLBS_OK
The operation completed successfully.
1001
WLBS_ALREADY
The specified target is already in the state that the requested operation would produce.
1002
WLBS_DRAIN_STOP
One or more nodes reported a drain stop operation.
1003
WLBS_BAD_PARAMS
Bad configuration parameters in a node's registry prevented the node from starting cluster operations.
1004
WLBS_NOT_FOUND
The specified port number was not found in any port rule.
1005
WLBS_STOPPED
Cluster operations have stopped on at least one node.
1006
WLBS_CONVERGING
The cluster is converging.
1007
WLBS_CONVERGED
The cluster has converged successfully.
1008
WLBS_DEFAULT
The specified node has converged as the default host.
1009
WLBS_DRAINING
One or more nodes are draining.
1013
WLBS_SUSPENDED
Cluster operations have been suspended on one or more nodes.
1014
WLBS_MEDIA_DISCONNECTED
The network adapter cable is disconnected.
1050
WLBS_REBOOT
The node must be rebooted for the specified configuration changes to take effect.
1100
WLBS_INIT_ERROR
An internal error prevented initialization of the cluster control module.
1101
WLBS_BAD_PASSW
The specified password was not accepted by the cluster.
1102
WLBS_IO_ERROR
A local I/O error prevents communication with the Network Load Balancing driver.
1103
WLBS_TIMEOUT
The requested operation timed out without receiving a response from the specified node.
1150
WLBS_PORT_OVERLAP
At least one of the port numbers in the specified port rule is currently listed in at least one other port rule.
1151
WLBS_BAD_PORT_PARAMS
The settings for one or more port rules contain one or more invalid values.
1152
WLBS_MAX_PORT_RULES
The cluster contains the maximum number of port rules.
1153
WLBS_TRUNCATED
The return value has been truncated.
1154
WLBS_REG_ERROR
An internal registry access error occurred.