Virtual Machine Memory and Hard Drive Configuration

  1. Shut down guest VM.
  2. Right click the VM and select Edit Settings.
  3. Select Memory in Hardware tab.
  4. Change the Memory Size in Memory Configuration.  If this area is grayed-out,  check if the VM is completely shut down.
  5. Select Hard Disk.
  6. Change the Provisioned Size in disk Provisioning.
  7. Click OK.
  8. Power on guest VM and logon.
  9. Verify memory has changed.
  10. Verify hard disk in Disk Management.
  11. You will see Unallocated partition.
  12. Here you can merge the unallocated volume to your active volume by right clicking the active volume and select Extend Volume.

WSUS 3.0 SP2 Install and Configure

Windows Server 2008 R2

  1. Launch Server Manager
  2. Add Roles
  3. Install: Web Server (IIS) and Windows Server Update Services
  4. WSUS Configuration
  5. Synchronize from Microsoft Update,  next
  6. Provide proxy server, if not, next
  7. Start Connecting, next
  8. Choose Language, next
  9. Products, accept default unless you want to customize it, next
  10. Classifications, select what’s best for your environment, next
  11. Synchronization Schedule, finish

To Configure Automatic Updates in Active Directory Group Policy Object

  1. Launch Group Policy Management Console (GPMC) -> Create new policy for your client computers -> Edit.
  2. Computer Configuration\Policies\Administrative Templates\Windows Components\Windows Update.
  3. Details pane, Enabled the Configure Automatic Updates, OK.
  4. Enabled the Specify intranet Microsoft update service location (this policy will point the client computers to the WSUS server).
  5. Type http://WSUSservername on the two boxes, Set the intranet update service for detecting updates and Set the intranet statistics server.

In WSUS server, launch the Microsoft Console Update Services.  You will see client computers populating on Computers page.  Default group policy updates in the background every 90 minutes.  You can update the policy sooner, from client computer, type> gpupdate /force.




Cisco Small Business FindIT Network Discovery Utility

Locate the IP address of the wireless access point.

The wireless access points can be accessed and managed by Cisco Small Business network tools and services including the Cisco FindIT Network Discovery Utility that enables you to automatically discover all supported Cisco Small Business devices in the same local network segment as your computer. You can get a snapshot view of each device or launch the product configuration utility to view and configure the settings. For more information and download, click here.

After you installed the software:

  1. Open Internet Explorer (or your default browser).
  2. Go to Manage Add-ons.
  3. Enable Cisco Systems.
  4. Reopen your browser to discover the device.

Windows Time Service

  1. Configure the Domain Controller (PDC Emulator) to be the Time Server.
  2. My time source is NTP POOL PROJECT.
  3. All domain client computers should sync Windows Time with PDC Emulator via GPO.
  4. In Group Policy Management, edit Default Domain Policy.  Note: this environment is Windows 2008 R2.  Windows 2003 should work the same.
  5. Navigate -> Computer Configuration\Policies\Windows Settings\Security Settings\System Services
  6. Service Name: Netlogon, Startup: Automatic, Permission: Configured; -> Edit Security and add LOCAL SERVICE account with Full Control.
  7. Service Name: Windows Time, Startup: Automatic, Permission: Configured; -> Edit Security and add LOCAL SERVICE account with Full Control.
  8. Restart domain computers to take affect.  Windows Time service should start automatic.  Or run this command.> gpupdate /force

Note: On step 4, if you’re not sure you should edit Default Domain Policy or Default Domain Controller Policy, you need to use the Resultant Set of Policy tool.  See steps below.

  1. On any domain client computers, go to run cmd and type rsop.msc and click OK.
  2. Navigate -> Computer Configuration\Windows Settings\Security Settings\System Services
  3. Service Names: Netlogon and Windows Time, locate what is their Source GPO (far right column).  If it’s Default Domain Policy then you need to edit Default Domain Policy in Group Policy Management.
  4. Exit Resultant Set of Policy without saving.


w32tm /?

  • Time /T -> outputs the current system time.
  • w32tm /query /status -> outputs time source, last sync, poll interval, stratum, etc.
  • w32tm /query /computer:TargetName /status or /configuration
  • Time /T /computer:TargetName -> outputs TargetName’s current time.
  • w32tm /register -> register to run as a service and add default configuration to the registry.
  • w32tm /unregister -> unregister service and remove all configuration information from the registry.
  • net stop w32time && net start w32time


Disk Dives Read/Write Workload

  •  7,200 RPM SATA: 80 IOPS
  • 10K RPM SATA/SAS/Fibre Channel: 120 IOPS
  • 15K RPM SAS/Fibre Channel: 180 IOPS
  •  A commercial solid-state drive (SSD) based on Multi-Level Cell (MLC) technology: 1,000-2,000 IOPS
  •  An Enterprise Flash Drive (EFD) based on Single-Level Cell (SLC) technology and much deeper, very high-speed memory buffers: 6,000-30,000 IOPS

Bandwidth (MBps)
Throughput (IOPS)
Latency (in milliseconds)

Source: Mastering VMware vSphere 5.5