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Event ID 1592 — Cluster Network Connectivity

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Applies To: Windows Server 2008 R2

A failover cluster requires network connectivity among nodes and between clients and nodes. Problems with a network adapter or other network device (either physical problems or configuration problems) can interfere with connectivity.

Event Details

Product: Windows Operating System
ID: 1592
Source: Microsoft-Windows-FailoverClustering
Version: 6.1
Symbolic Name: CLUSSVC_TCP_RECONNECT_CONNECTION_REESTABLISHED
Message: Cluster node '%1' lost communication with cluster node '%2'. Network communication was reestablished. This could be due to communication temporarily being blocked by a firewall or connection security policy update. If the problem persists and network communication are not reestablished, the cluster service on one or more nodes will stop. If that happens, run the Validate a Configuration wizard to check your network configuration. Additionally, check for hardware or software errors related to the network adapters on this node, and check for failures in any other network components to which the node is connected such as hubs, switches, or bridges.

Resolve

Check network adapter and other network hardware

If you do not currently have Event Viewer open, see "Opening Event Viewer and viewing events related to failover clustering." After reviewing event messages, choose actions that apply to your situation:

  • Run the Validate a Configuration Wizard, selecting only the network tests. For more information, see "Using the Validate a Configuration Wizard to review the network configuration."
  • Check the system event log for hardware or software errors related to the network adapters on this node.
  • Check the network adapter, cables, and network configuration for the networks that connect the nodes.
  • Check hubs, switches, or bridges in the networks that connect the nodes.

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.

Using the Validate a Configuration Wizard to review the network configuration

To use the Validate a Configuration Wizard to review the network configuration:

  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, in the console tree, make sure Failover Cluster Management is selected. Then under Management, click Validate a Configuration.
  3. Follow the instructions in the wizard to specify the cluster you want to test.
  4. On the Testing Options page, select Run only tests I select.
  5. On the Test Selection page, clear all check boxes except those for the Network tests.
  6. Follow the instructions in the wizard to run the tests.
  7. On the Summary page, click View Report.

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.

Verify

Restart the Cluster service, confirm that the nodes come up successfully and that the clustered networks are functioning.

To perform the following procedure, 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.

To restart the Cluster service on a node and confirm the status of the nodes and networks:

  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.
  4. Expand the console tree under Nodes.
  5. Right-click the node that you want to start and then click More Actions. If Stop Cluster Service is available, click it. Otherwise, skip to the next step.
  6. Right-click the node that you want to start, click More Actions, and then click Start Cluster Service.
  7. Repeat the previous two steps for any other nodes you want to start.
  8. Click Nodes and then view the status of the nodes in the center pane. If a node is Up, the Cluster service is started on that node.
  9. In the console tree, click Networks and then view the status of the networks.

Cluster Network Connectivity

Failover Clustering