HyperV Failover Cluster - twice some vms lost network
So i run a 4 node Hyper V Failover Cluster and twice now.... out of months of operations out of the blue on a node a portion of the VMs just lose network access(this has happened on two different...
View ArticleNetwork Name Resource Availability - failover cluster error 1196 on Hyper-V...
Hello,We're getting this error in our even logs of our four node failover cluster, we tried deleting Host A record in DNS management, that did nothing.Failover cluster event: 1196"Cluster network name...
View ArticleNLB - Duplicate packets
Hi All,I am running Server 2012 R2 and I have configured NLB between two of my webservers.When I ping the NLB IP address from a Mac or Linux box I notice that I get duplicate packets. I send 10 packets...
View ArticleCloning a Microsoft Cluster
Hi ExpertsWe are planning our Disaster Recovery Plan, we have some SAP applications which are difficult of install and configure,so we are thinking that our best option is cloning the entire server to...
View ArticleNeed hotfix for BUG Check reboots for 2012R2
I have 5 Node cluster of 2012R2 which will go to production in next few days, but am struck with the Bug check issue, which reboots atleast 3 nodes frequently. Am aware of this bug check and know the...
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How to Perform Forced Manual Failover of Availability Group (SQL Server) and...
I have a scenario with the three nodes with server 2012 standard, each running an instance of SQL Server 2012 enterprise, participate in asingle Windows Server Failover Cluster (WSFC) that spans two...
View ArticleReinstall OS on node Failover Cluster
Hello! I have Failover Cluster with two nodes on Windows Server 2012 R2 with File services role.I need reinstall OS on one node. Are there any restrictions? Or simply reinstall the operating system, to...
View ArticleCluster VMs sometime fail while doing an export-vm
I'm using a powershell script to export some Clustered (2012 R2 Hyper-V) VMs through task scheduler. Every now and then a VM is restarted by cluster during the export-vm. The errors found from the...
View ArticleCluster IP address in Failed status
Windows 2012 2-node failover cluster for Hyper-V. 2 LANs in place, one for iSCSI communication. In failover cluster manager, when viewing the summary page cluster core resources, I have my cluster name...
View Articlehyper-v cvluster live migration takes a long offline time
Hi We have a Windows 2008 R2 cluster with hyper-V instances running on it.It has two nodes and if I make a live migration from node 1 to node 2 it works fine, only takes the VM offline for 1 second or...
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SQL CLUSTER NAME REMAIN IN A FAILED STATE
We have the following configuration in our enterprise;- Two physical servers ( both running windows server 2008 R2)- The physical servers have been clustered (CLUSTER1).- Six Virtual Machines ( two for...
View ArticleCSV AND DPM Redirected Access event id 5125 sis driver error
We have 2x DPM 2012 servers witch we need to use to run hyper-v cluster as well.When we bring the cluster up every thing is fine all disk validations work 100%.As soon as you make the disk an csv you...
View ArticleFailover configuration on Cisco sf300-24 and two Windows 2008 R2
I have two Windows 2008 R2 server connect to a Cisco sf300-24 switch in customer environment. They provided us two IPs xxx.xxx.40.156, xxx.xxx.40.157 and let these IPs accessible from and to their...
View ArticleWindows server 2012 Datacenter Hyper-V Cluster + mixing HP Proliant DL380 G7...
I've heard that with Windows server 2012, the requirement for similar hardware for the cluster nodes is not as strict as it was before. I have a 3-node Windows 2012 datacenter Hyper-V cluster, all 3...
View ArticleWindows server 2012 Datacenter Hyper-V Cluster -- Failed to validate...
Hi I have a 4 node Windows server 2012 Hyper-V cluster. When I try to run a cluster validation report, everything else is fine but it fails at validate the Operating System Installation Option step. I...
View ArticleSQL Server 2012 setup failed with erro code 0x85940001 and messsage "Error...
SQL Server 2012 setup failed during installation because of this error with error code "0x85940001" and message"Error while enabling Windows feature : NetFx3, Error Code : -2146498298 , Please try...
View Articleserver 2012 r2 cluster crash
hi,i have configured windows cluster 2012 r2 datacenter on IBM pureflex with IBM v7000 SAN disk,Certainly my cluster has crashed and cluster disk gone offline, cluster disk is showing reserve on both...
View ArticleLive Migration of Virtual Machines failing - 2012 R2 Cluster
For several months I have had a Server 2012 R2 Failover Cluster which has been successfully live migrating virtual machines between the nodes. This past week I've noticed they are no longer migrating...
View ArticleHyper-V Cluster in VMM
I am trying to build a Hyper-V cluster with VMM 2012 R2 but require some advice as it is not working how I want it too.I have 2 Hyper-V servers, both with their own local storage and 1 iSCSI disk...
View ArticleCAS Server not Migrating
Hope ur all doing well, we have 2 physical Servers HV1 and HV2, both servers are part of VMs cluster, each server hosts a CAS and an mbx HA VM i.e HV1 hosts CAS1, CAS2, and HV2 hosts MBX1 and MBX2. Few...
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