Errors with Test-ReplicationHealth when using a multi-subnet Windows 2008 Cluster.
Windows 2008 supports having clustered nodes that are installed into different network subnets. For Exchange 2007 SP1 this becomes a configuration used for cluster continuous replication clusters.
In troubleshooting and monitoring clusters customers will often use the test-replicationhealth commandlet to determine the status of replication between two clustered nodes in a continuous cluster replication solution. When the cluster itself is multi-subnet, the following error is thrown during testing:
| Server | Check | Result | Error |
| ------ | ----- | ------ | ----- |
| 2008-NODE6 | ClusterNetwork | WARNING | Warnings: |
| Network 'Cluster Netw | |||
| ork 3' used for client co | |||
| nnectivity is up but node | |||
| '2008-Node5' does not ha | |||
| ve a Network Interface Ca | |||
| rd configured on it. Chec | |||
| k that a NIC is configure | |||
| d for this network and is | |||
| enabled. | |||
| Network 'Cluster Netw | |||
| ork 1' used for client co | |||
| nnectivity is up but node | |||
| '2008-Node6' does not ha | |||
| ve a Network Interface Ca | |||
| rd configured on it. Chec | |||
| k that a NIC is configure | |||
| d for this network and is | |||
| enabled. | |||
| 2008-NODE6 | QuorumGroup | Passed | |
| 2008-NODE6 | FileShareQuorum | Passed | |
| 2008-NODE6 | CmsGroup | Passed | |
| 2008-NODE6 | NodePaused | Passed | |
| 2008-NODE6 | DnsRegistrationStatus | Passed | |
| 2008-NODE6 | ReplayService | Passed | |
| 2008-NODE6 | DBMountedFailover | Passed | |
| 2008-NODE6 | SGCopySuspended | Passed | |
| 2008-NODE6 | SGCopyFailed | Passed | |
| 2008-NODE6 | SGInitializing | Passed | |
| 2008-NODE6 | SGCopyQueueLength | Passed | |
| 2008-NODE6 | SGReplayQueueLength | Passed |
The issue is a bug in the way that test-replicationhealth handles cluster networks. In cluster administrator, under networks, you will see a “network” enumerated for each subnet. Each of these networks shows all of the cluster interfaces that reside on that network. In a single subnet cluster, these networks would generally have two interfaces, one for each node. In a multi-subnet cluster, each network only has a single interface, one for each node.
To view a network and it’s interfaces, select networks from the left hand pane:
Here is an example of a multi-subnet cluster (showing a single interface per network):
Here is an example of a single subnet cluster (showing multiple interfaces per network):
At this time this issue is not scheduled to be corrected in any Exchange 2007 release.
*Updates:
10/19/2009 – Updated to reflect fix release.
Comments
Anonymous
January 01, 2003
When to use Move Mailbox Wizard or ExMerge to move Exchange mailboxes Exchange 2007 SP1 Features withAnonymous
January 01, 2003
Thanks so much for posting this as I'd of been barking up the wrong tree trying to fix a seperate failover issue!Anonymous
January 01, 2003
Hi, now are there some fix scheduled to be corrected this? Thanks.Anonymous
November 14, 2013
So, in this case can I delete the unused Excahnge Server 2003-2007 replication link connector from the clsuter manager assuming the Exchange Server 2003 has been turned off due to hardware issue.Anonymous
November 14, 2013
@AlbertWT: There's no such thing as an Exchange 2003 - Exchange 2007 replication connector...so I'm not sure what you are referring too. TIMMCMIC