We had a issue with a new Windows 8.1 install, when the user login to the RemoteApp Web Access Portal, and opened a Remoteapp, it´s just stuck on “Preparing Windows”, the same thing happens if i used the RemoteApp and Desktop Connections from the control panel.
To fix it i added the RD Web Access url to trusted sites in Internet Explorer.
Microsoft had released an update for Windows 7, Windows Server 2008 R2, Windows 8, Windows Server 2012 KMS Hosts to support WIndows 8.1 and Windows Server 2012 R2
We have had performance issues for a few weeks at night, all our Hyper-V Servers where performing like CRAP every night around 3 AM and for about 45 minutes.
After a long night of investigation with my colleague, we found out that Windows 2012 is running a maintenance job around 03:00 each day.
The Automatic Maintenance window in the Action Center
When we stopped it all began to run as normal. This caused overloading of the SAN SP and gave high disk queue on all servers attached to the SAN.
But, after we disabled the Scheduled Task “Regular Maintenance“, it got enabled Again after some hours.
To avoy this disable “Maintenance Configurator“, but this can´t be done from GUI
To disable Maintenance Configurator run this command on a server with PsExec Link :