Virtualisation

Migrating Virtual Machines from a free version of ESX to Hyper-V

30 Jul

We’re moving away from vSphere and moving to Hyper-V. We’re Microsoft through and through here so it makes more sense for us (and of course is easier to manage). Microsoft do provide the “Microsoft Virtual Machine Converter (MVMC)” tool to … Read More »

Specifying which Network Adapters will use iSCSI on Windows Server 2012 R2

4 Feb

With Windows Storage Server 2012 R2 and in fact Windows Server 2012 R2 in general I wanted to make sure that iSCSI traffic was dedicated to the adapters I’d defined. In our servers here there are multiple adapters so I … Read More »

Error (25122) – The specified address (xxxx) is already allocated by the pool (xxxx).

16 Jan

I came across this error whilst trying to refresh my cluster and hosts in System Center 2012 R2, as follows: In true System Center fashion, its not obvious what IP address this relates to, but I did at least know … Read More »

VMM Error 25325 : The Cluster Creation failed Because of the following error: Network x.x.x.x has already been specified

31 Dec

I was receiving this error when trying to create the cluster, and the IP address range specified was that being used on my iSCSI connections. On the servers I had configured 2 network adapters dedicated for storage using MPIO and … Read More »