Event ID - 1212

Event Id	1212
Source	Microsoft-Windows-FailoverClustering
Description	"Cluster network name resource '%1' cannot be brought online. Attempt to locate a writeable domain controller (in domain %2) in order to create a computer object associated with the resource failed for the following reason: %3. The error code was '%4'. Ensure that a writeable domain controller is accessible to this node within the configured domain."
Event Information	According to Microsoft : Cause : This event is logged when Cluster network name resource cannot be brought online. Resolution : Check status of domain controllers Diagnose and correct connectivity problems with one or more writeable domain controllers. Confirm that the networks in the node are enabled, one or more writeable domain controllers are available on the network, and that elements of the network such as hubs, switches, or bridges appear to be functioning. 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. Opening Event Viewer and viewing events related to failover clustering To open Event Viewer and view events related to failover clustering: 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. 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: 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. Click Start , point to All Programs , click Accessories , click Command Prompt , and then type: NET HELPMSG errorcode 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: 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 . 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 . If the console tree is collapsed, expand the tree under the cluster you want to manage, and then expand Services and Applications . In the console tree, click a clustered service or application. In the center pane, view the status of the Network Name resource you want to verify. 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: On a node in the cluster, click Start , point to All Programs , click Accessories , right-click Command Prompt , and then click Run as administrator . 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.
Reference Links	Event ID 1212 from Microsoft-Windows-FailoverClustering

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