Migration of DHCP from Windows Server 2003 to Windows Server 2012

Beginning the export process on Windows Server 2003 On the Windows 2003 DHCP server, navigate to a command prompt Type the following Command: netsh Type the following Command: DHCP Type the following Command: server \\Name or IP Address Type the following Command: export c:\w2k3DHCPdb allNote You must have local administrator permissions to export the data. Importing the DHCP database on Windows Server 2012 Copy the exported DHCP […]

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Adding a Windows Server 2012 Domain Controller to an Existing Windows Server 2003 network

Prerequisites Download Windows Server 2012 R2. If you plan on completing this Step-By-Step in a virtual lab, it is recommended to download the FREE Hyper-V Server 2012 R2 first. Check to ensure the Domain Functional Level is currently setup to at least Windows 2003 mode. This is the lowest required Domain Functional Level that would allow a Windows Server 2012 Domain Controller installation. Windows NT / 2000 Domain […]

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Active Directory Migration from Windows Server 2003 to Windows Server 2012 R2

Transferring the Flexible Single Master Operations (FSMO) Role Open the Active Directory Users and Computers console on your new Windows Server 2012 R2 computer. Right click your domain and select Operations Masters in the sub menu. In the Operations Masters window, ensure the RID tab is selected. Select the Change button. Select Yes when asked about transferring the operations master role. Once the operations master role has successfully transferred, click OK to continue. Ensure the Operations […]

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Auto login Windows Server 2012

If an app requires an AD acct to be logged into the server in order for it to work, setup autologon   You will need to have an account with a password for this to work. Run regedit.exe Navigate to HKLM\Software\Microsoft\Windows NT\CurrentVersion\winlogon Set or create the following keys (DWORD)  AutoAdminLogon = 1 (String) DefaultUserName = Your user name (String) DefaultPassword = Your password Restart the server     […]

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How to Disable JAVA Update on Windows Server

Disabling the Java update notifications is actually pretty easy. There’s a registry setting in HKEY_LOCAL_MACHINE that will allow you to completely disable both update notifications and the update functionality. The full path of the key is HKEY_LOCAL_MACHINE\SOFTWARE\JavaSoft\Java Update\Policy. The registry entry is named EnableJavaUpdate and is a DWORD value that defaults to 1 for the update functionality to be enabled. Setting the value to 0 disables updates.   Here’s […]

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Google Apps Manager (GAM) – delete all user calendar events

If you need to delete all the events from a Google calendar you can do the following. First, you need to have the Calendar ID email address (this is not the user’s email). It can be found in the calendar settings. Example: (Calendar ID: domain.com_33393638303931322d323231@resource.calendar.google.com) Command: gam calendar <calendar email> wipe events     gam calendar domain.com_33393638303931322d323231@resource.calendar.google.com wipe events 

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Google Apps Manager (GAM) – delete email from all Google mailboxes in your domain

If you get a request to delete an email from a large number of user mailboxes or all Google mailboxes, you can run the following commands. This is useful as well when you need to remove existing SPAM from mailboxes.     Delete emails from a specific sender: gam all users delete messages query “from:dse@docusgn.com” maxtomodify 100 doit     Delete email threads […]

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