I have this errror; how do I fix it
ERROR C:\Windows\system32\spool\DRIVERS\x64\3\cnmubbr.dll
View ArticleCluster disk disappear after upgrading SAN Switch firmware
Hello All,Need you help here. We had an activity of firmware upgrade for SAN Switch, and after upgrading firmware we have found LUNs which we presented on windows server 2008 R2 got disappear. These...
View ArticleAll CSVs disconnecting at 3 AM every Saturday
Good afternoon,My 5 node Hyper-V cluster is presently connected to 12 CSVs that are accessed from the Dell Compellent via fiber. Every Satruday at 3:00:15AM all CSVs go offline and cause major hell....
View ArticleCSV Mirroring (Active Failover Possible?)
This may be a dumb question but I am looking to determine whether or not windows server 2012R2 naitively supports Mirroring of CSV's. We have a client using Datacore who has two P2000 SAN's. The...
View ArticleDHCP role on Failover Clustring is Offline and can't make any relation to AD...
Himy laboratory contains 3 servers + 1 Client all are joined. S1(DC) + S2(Failover+DHCP) + S3(Failover+DHCP) + P1(Client)also made an OU in DC and called it SERV. so, done basic configuration for...
View ArticleDeleting an offline cluster disk that is still showing in Available Storage...
I am trying to remove a disk(lun) from a 2008R2 cluster. It was the original disk of a File Server cluster and hosted several mount points. The mount point volumes originally did have cluster...
View ArticleCluster inside a Cluster
We are having multiple issues with a Hyper-V Cluster.New to Hyper-V Clustering, but very familiar with VMware Clusters and High Availability.A previous IT Company setup our new Client with 3 2012 R2...
View ArticleMove to another A.D. Domain - Hyper-V Failover Cluster
I have two Active Directory in our Lab.1. Domain-A- Server 2008 R2 SP1- Have two Clustered Hosts as Hyper-V Failover Cluster- Uses Cluster Shared Volume (CSV) as storage of...
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Multi-Subnet Failover Cluster & SQL AlwaysOn Availabity
HelloI am working on designing 3 node multi-subnet cluster using Windows Server 2012. I have private WAN link between 2 data centers. I also have DNS & AD server running at both location. 2 nodes...
View ArticleCluster Validation Wizard indicates Software Update mis-matches incorrectly
I have a Windows Server 2012R2 cluster for Hyper-V. I'm attempting to migrate all VMs to new Hosts, so I'm prepping the new Hosts to join the cluster. One existing host erroneously reports that its...
View ArticleQuorum are failed to bring online after failover to other node
Dear All,we have 2 node with SAN storage to form a cluster, after node A fail, failover cluster are tried to failover to node B, but the quorum drive are failed to bring online and the cluster also...
View ArticleFile share witness on a NAS -- permission problem
My research has not yet yielded any results. I'm trying to configure a file share witness on a Windows 2012 failover cluster. The file share is on a NAS. My login has full control on the file...
View ArticleConfigure Generic Application
Hey,I am using Windows Server 2012 R2 set in Cluster with access to a SAN.I need to set a general application as a clustered resource. I'm currently facing some difficulties, including the fact that...
View ArticleDeleting an offline cluster disk that is still showing in Available Storage,...
I am trying to remove a disk(lun) from a 2008R2 cluster. It was the original disk of a File Server cluster and hosted several mount points. The mount point volumes originally did have cluster...
View ArticleNLB statistics?
Windows Server 2008 R2. Can anyone tell me if there is any way to see statistics of how an NLB cluster has distributed client requests? How many in the past 24 hours? What kind of distribution? The...
View ArticleNetwork Configuration???
We have a three node active / active / passive Windows 2012 cluster. One node contains a single instance (Role) of SQL Server, a second node contains two instances (Roles) of SQL Server. One of the...
View ArticleMulti site failover cluster, Single host server at 2 separate offices
I'm looking at a scenario where we have 2 dell servers, one at our main office, and another at a remote office. Each of these servers has support for 24 virtual processors, 64GB RAM, and a RAID 1TB...
View ArticleNetwork load balancing in Hyper-V failover Cluster
I want to configure network load balancing for my Hyper-V failover cluster, so that if one hyper-v server is heavily loaded that some VMs can automatically live migrated to other lightly loaded...
View ArticleCluster Configuration with ISCSI storage
I am configuring a new hyper v cluster and we have opted to use ISCSI storage.Do I need to create a CSV network as well as a ISCSI Storage network within my hosts ?Is the CSV effectively the...
View ArticleVMs causes physical switch overload
After installing Failover Cluster Manager on a Server 2012R2, when a VM is started using a virtual switch connection to a Cisco 3750, the physical switch gets overwhelmed with high CPU usage and won't...
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