Windows Defender for windows server

Source:https://itpro.tv.

Windows Defender - first line of defense against spyware and other unwanted software

--Windows Defender is now included and enabled by default
 -sc query Windefend (sc = service control)
 --if STATE equals RUNNING, its running

--Some PowerShell cmdlets
 -Get-MpComputerStatus
  Gets the status of antimalware software on the computer
 -Get-MpThreat
  Gets the history of threats detected on the computer
 -Get-MpThreatDetection
  Gets active and past malware threats that Windows Defender detected
 -Remove-MpThreat
  Removes active threats from a computer

To turn off Windows Defender real-time monitoring
 -Set-MpPreference -DisableRealtimeMonitoring $true

To enable Windows Defender real-time monitoring
 -Set-MpPreference -DisableRealtimeMonitoring $false

To add an exclusion
 -Add-MpPreference -ExclusionPath "%path%"

To remove an exclusion
 -Remove-MpPreference -ExclusionPath "%path%"

-Update-MpSignature
  Updates definitions
-Start-MpScan
  Starts a scan on a computer

--By default, the GUI for Windows Defender is not installed. To install it...
 -Add Roles and Features Wizard
 -Features
 -Windows Defender
 -GUI for Windows Defender

 -Get-WindowsFeature
 -Install-WindowsFeature Windows-Defender-Gui

--By default, Windows Server Technical Preview does not have Windows Update setup to download and install updates, which includes Defender definition updates.

--Configure Windows Defender with Group Policy
 -Compuer Configuration - Admin Templates - Windows Components - Windows Defender

 

Hyper-V virtual machine may not start, and you receive a “‘General access denied error’ (0x80070005)” error message

Start  VM wont start after Restore

Fuente:

https://support.microsoft.com/en-us/help/2249906/hyper-v-virtual-machine-may-not-start-and-you-receive-a-general-access

Error:

‘Unnamed VM’ failed to initialize.

 

 Clic Details

‘Unnamed VM’ failed to initialize. (Virtual machine 466A7A53-EBB7-4029-AF78-F0982EDB20C2)

Reasignar permiso

icalcs "Complete Path to Virtual Hard Disk.VHD"
/grant "NT VIRTUAL MACHINE\virtual machine ID":(F) 

En el ejemplo:

icacls "C:\Hyper-V\Virtual Hard Disks\CMFVIS1_c.VHD" /grant "NT VIRTUAL MACHINE\466A7A53-EBB7-4029-AF78-F0982EDB20C2":(F) 

TLB