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Event ID 1044 — IP Address Resource Availability

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Applies To: Windows Server 2008

In a cluster, an IP Address resource is important because in most cases, other resources (such as a Network Name resource) depend on it. An IP Address resource can come online only if it is configured correctly, and is supported correctly by available networks and network configurations.

Event Details

Product: Windows Operating System
ID: 1044
Source: Microsoft-Windows-FailoverClustering
Version: 6.0
Symbolic Name: RES_IPADDR_NBT_INTERFACE_CREATE_FAILED
Message: Encountered a failure when attempting to create a new NetBIOS interface while bringing resource '%1' online (error code '%2'). The maximum number of NetBIOS names may have been exceeded.

Resolve

Check NetBIOS configuration

There was a failure with creating a new NetBIOS interface. If you have already defined many NetBIOS-enabled IP Address resources, make sure you have not reached the NetBIOS limit of 64 addresses. If you have IP Address resources that do not have a need for NetBIOS affiliation, disable NetBIOS for those resources. For more information, see "Viewing or changing the NetBIOS setting for an IP Address resource."

Alternatively, this could be an issue related to a network adapter or network adapter driver. Make sure the adapter is using a current driver and the correct driver for the adapter. If this is an embedded adapter, check with the OEM to determine if a specific OEM version of the driver is required.

If you do not currently have Event Viewer open, see "Opening Event Viewer and viewing events related to failover clustering." If the event contains an error code that you have not yet looked up, see "Finding more information about error codes that some event messages contain."

To perform the following procedures, you must be a member of the local Administrators group on each clustered server, and the account you use must be a domain account, or you must have been delegated the equivalent authority.

Viewing or changing the NetBIOS setting for an IP Address resource

To view or change the NetBIOS setting for an IP Address resource:

  1. To open the failover cluster snap-in, click Start, click Administrative Tools, and then click Failover Cluster Management. If the User Account Control dialog box appears, confirm that the action it displays is what you want, and then click Continue.
  2. In the Failover Cluster Management snap-in, if the cluster you want to manage is not displayed, in the console tree, right-click Failover Cluster Management, click Manage a Cluster, and then select or specify the cluster that you want.
  3. If the console tree is collapsed, expand the tree under the cluster you want to manage, and then expand Services and Applications.
  4. In the console tree, click the clustered service or application that uses the IP Address resource that you want to check.
  5. In the center pane, expand the Name listing for the clustered service or application.
  6. Right-click the IP Address resource you want to check, and then click Properties.
  7. On the General tab, view, check, or clear the check box for Enable NetBIOS for this address.

To open Event Viewer and view events related to failover clustering:

  1. If Server Manager is not already open, click Start, click Administrative Tools, and then click Server Manager. If the User Account Control dialog box appears, confirm that the action it displays is what you want, and then click Continue.
  2. In the console tree, expand Diagnostics, expand Event Viewer, expand Windows Logs, and then click System.
  3. To filter the events so that only events with a Source of FailoverClustering are shown, in the Actions pane, click Filter Current Log. On the Filter tab, in the Event sources box, select FailoverClustering. Select other options as appropriate, and then click OK.
  4. To sort the displayed events by date and time, in the center pane, click the Date and Time column heading.

Finding more information about the error codes that some event messages contain

To find more information about the error codes that some event messages contain:

  1. View the event, and note the error code.
  2. Look up more information about the error code in one of two ways:

Verify

To perform the following procedures, you must be a member of the local Administrators group on each clustered server, and the account you use must be a domain account, or you must have been delegated the equivalent authority.

Verifying that an IP Address resource can come online

To verify that an IP Address resource can come online:

  1. To open the failover cluster snap-in, click Start, click Administrative Tools, and then click Failover Cluster Management. If the User Account Control dialog box appears, confirm that the action it displays is what you want, and then click Continue.
  2. In the Failover Cluster Management snap-in, if the cluster you want to manage is not displayed, in the console tree, right-click Failover Cluster Management, click Manage a Cluster, and then select or specify the cluster that you want.
  3. If the console tree is collapsed, expand the tree under the cluster you want to manage, and then expand Services and Applications.
  4. In the console tree, click a clustered service or application.
  5. In the center pane, expand the Name listing for the clustered service or application that uses the IP Address resource that you want to verify. View the status of the IP Address resource.
  6. If an IP Address resource is offline, to bring it online, right-click the resource and then click Bring this resource online.

To perform a quick check on the status of a resource, you can run the following command.

Using a command to check the status of a resource in a failover cluster

To use a command to check the status of a resource in a failover cluster:

  1. On a node in the cluster, click Start, point to All Programs, click Accessories, right-click Command Prompt, and then click Run as administrator.

  2. Type:

    CLUSTER RESOURCE ResourceName /STATUS

    If you run the preceding command without specifying a resource name, status is displayed for all resources in the cluster.

IP Address Resource Availability

Failover Clustering