DCOM was unable to communicate with the computer SQL9 using any of the...
We are running a Windows Server 2012 cluster and I see the following error in the System folder of Event Viewer."DCOM was unable to communicate with the computer SQL9 using any of the configured...
View ArticleNotifications on failover
I have configured windows cluster on site and have 2 Nodes added to it. I have configured 2 websites on both the nodes (machines). Every time I access the site using the Cluster ip, it goes to Node1...
View ArticleCluster Migration - Cluster operating system rolling upgrade vs. Setting up a...
Cluster Migration - Cluster operating system rolling upgrade vs. Setting up a new Cluster?All- I currently have a Server 2012r2 cluster running with two nodes. I have just received two new...
View ArticleChange IP address on Failover Cluster and Hosts
Hello,So, Im in a situation with a Failover Cluster 2016 with 2 hosts, where I want to change ip from :cluster ip : 10.11.12.20host1 ip : 10.11.12.21host2 ip : 10.11.12.22tocluster ip :...
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Cluster Client access point and generic application resources disappeared
We have a Windows 2008 R2 cluster hosting some generic application like Apache services and some opentext applications. It is node and disk majority with 2 nodes and a Witness disk.Yesterday we were...
View Article2012R2 windows cluster roles dependencies
Hi,We implemented 2 servers with cluster and has different roles in this cluster. and under each role, we will have some resources.Now we find a issue because our frontend service are always up before...
View ArticleHow MS Cluster is not a single point of failure
Hi Guys , I have proposed single cluster of 8 physical machines to my customer which will be used to access CSV disk to create virtual machines clusters. So, overall my requirement from physical...
View ArticleFailover cluster system edition
Hello, I have a failover cluster build on 2 Servers 2012 R2 Datacenter edition. For some reason the edition of cluster is shown as standard (operatingSystem attribute of AD object). I will be grateful...
View ArticleDAG cluster across subnets
I seem to be having difficulty when our role holder switches to another server located on a different subnet. 2 mail servers on the 10.3.1.x subnet1 mail server on the 10.3.241.x subnetWhen the role...
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Storage connectivity to CSV in a converged network
Hi,Im setting up a new hyper-v converged network, im looking for a bit of clarificationI configured DCB (DataCenter Bridge) for ISCSI using the commands showing below. I havent enabled anything on the...
View Article5120 Alerts - Storage Spaces Direct - STATUS_CONNECTION_DISCONNECTED
Good Day I have a 5 node Cluster made up of SuperMicro SuperStorage 6028R-E1CR24LI keep getting below alerts on my S2D cluster:Cluster Shared Volume 'CSV_ReFS' ('CSV_ReFS_01') has entered a paused...
View ArticleIs it possible to downgrade functional level of a cluster ?
Hello Experts,Is it possible to join Node with OS 2012 R2 to a installed and running cluster with OS 2016 ?I know i can add a node that runs a more recent version of the Windows operating system into a...
View ArticleValidate that all tested servers have the same software updates installed.
I question how the logic works for failover clustering's "Validate Software Update Levels" in the validation report. I ran the report, and the cluster validates that all 4 servers have the same...
View ArticleFile Server Failover Cluster With 5 Nodes - issue with Data Deduplication
Data Deduplication shows disabled. I Enabled and Set the schedule but when I close server manager and check the status it goes back to disable. I checked the event log and it doesn't show any...
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Up But Isolated Cluster Node
I'm running Server 2016 fully patched in a 5 node cluster. Hyper-V and S2D for a hyper-converged solution running a few hundred VMs. Two days ago one of my nodes decided that it wanted to be cranky....
View ArticleStorage Spaces Direct / Cluster Virtual Disk goes offline when rebooting a node
HelloWe have several Hyper-converged einvoronments based on HP ProLiant DL360/DL380. We have 3 Node and 2 Node Clusters, running with Windows 2016 and actual patches, Firmware Updates done, Witness...
View ArticleS2D IO TIMEOUT when rebooting node
I am building a 6 Node cluster, 12 6TB drives, 2 4TB Intel p4600 PCIe NVME drives - Xeon Plat 8168/768GB Ram, LSI9008 HBA.The cluster passes all tests, switches are properly configured and the cluster...
View ArticleRecover 2008 R2 SP1 Cluster without a working AD/DC
Hi there, we just had a power outage take out a physical domain controller. The only other DC was virtualized in HA cluster.After reboot we are essentially left without AD/DC. I am able to log in to...
View ArticleGracefully/soft shutdown of Windows server 2012 R2
I use a Windows Hyper-V cluster mit Windows Server 2012 R2.If I have the Windows Server not in clustered mode, then the Graceful Shutdown (soft shutdown) works well.If I have the Windows Server in...
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S2D Tiering
Hi,We have 2 nodes (HP DL380 Gen 9), 20X capacity disks and 4X performance disks in each node. When we run Enable-ClusterS2D is auto-creates the pool. In FCM we then try to create a new virtual disk...
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