This might not help but we had a similar problem a month ago and it turned out to be an issue with a Broadcom nic driver. We resolved it by disabling the virtual machine queue on the nics on the host. Here is the kb <http://support.microsoft.com/kb/2902166> we followed.
On Tue, Jan 13, 2015 at 4:21 PM, J- P <[email protected]> wrote: > Hi all, > > I have a 2012r1 guest on a 2012r1 host that is a file server. > long story short, the server behaves sluggish when logged on and trying > to do anytjing- I have checked all the logs (both host and guest, both > windows and perc logs) everything is up to date no errors . > > NOTE: file and folder access over the network is fine according to the > users (to be fair the previous server was a single.cpu sata mirror with > 4gb of ram) so it's not like they have a good baseline to compare. > > Anyhow , can create a new guest and attach the existing data volume from > the sluggish guest AND retain the same ntfs and share permissions? > > tia >

