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Event ID 1600 — Network Name Resource Availability

Updated: November 25, 2009

Applies To: Windows Server 2008 R2

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In a cluster, a Network Name resource can be important because other resources depend on it. A Network Name 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: 1600
Source: Microsoft-Windows-FailoverClustering
Version: 6.1
Symbolic Name: CLUSAPI_CREATE_CANNOT_SET_AD_DACL
Message: Cluster service failed to set the permissions on the cluster computer object '%1'. Please contact your network administrator to check the cluster security descriptor of the computer object in Active Directory, verify that the DACL is not too big, and remove any unnecessary extra ACE(s) on the object if necessary.

Resolve

Check security descriptor of computer object in Active Directory

For a computer account (computer object) in Active Directory, the amount of security information, such as the information in the discretionary access control list (DACL), can grow too large. This prevents additional permissions from being configured. Work with a network administrator to reduce the amount of security information stored for the computer object specified in the event.

If you do not currently have Event Viewer open, see "Opening Event Viewer and viewing events related to failover clustering."

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.

Opening Event Viewer and viewing events related to failover clustering

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 Yes.
  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.

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 a Network Name resource can come online

To verify that a Network Name 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, view the status of the Network Name resource you want to verify.
  6. If a Network Name resource is offline, to bring it online, in the center pane, 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.

Related Management Information

Network Name Resource Availability

Failover Clustering

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