The cluster service encountered an unexpected problem and will be shut down
Resolutions
There are various software or hardware related causes that can interfere with the running of the Cluster service on a node. Sometimes the Cluster service can restart successfully after it has been interrupted by one of those causes.
Review the event logs for indications of the problem. If you need assistance with your failover cluster, you can contact Microsoft Customer Service and Support. For more information, see
http://go.microsoft.com/fwlink/?LinkID=102491
A recommended order for troubleshooting is as follows:
Although a problem might appear to be related to an application, most often, the problem is related to items 1, 2, 3, or 4 in the preceding list. A useful step is to review the system event log and the cluster diagnostic log file for events that happened around the time of the failure.
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.
To open Event Viewer and view events related to failover clustering:
To find more information about the error codes that some event messages contain:
Hardware
Operating system
Networking
Security
Cluster service
Clustered applications or services
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.
In the console tree, expand Diagnostics, expand Event Viewer, expand Windows Logs, and then click System.
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.
To sort the displayed events by date and time, in the center pane, click the Date and Time column heading.
View the event, and note the error code.
Look up more information about the error code in one of two ways:
Search System Error Codes ( http://go.microsoft.com/fwlink/?LinkId=83027).
Click Start, point to All Programs, click Accessories, click Command Prompt, and then type:
NET HELPMSG errorcode
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