Eureka Moment windows:server_os

windows:server_os:activate_core

Anonymous (anonymous@undisclosed.example.com) — 2019-10-31T09:06:00+00:00

Activate Windows Server Core using CMD or PowerShell slmgr.vbs -ipk slmgr.vbs -ato $computer = gc env:computername $key = "AAAAA-BBBBB-CCCCC-DDDDD-EEEEE" $service = Get-WmiObject -Query "select * from SoftwareLicensingService" -ComputerName $computer $service.InstallProductKey($key) $service.RefreshLicenseStatus()

windows:server_os:add_core_addc

Anonymous (anonymous@undisclosed.example.com) — 2019-10-31T09:06:00+00:00

Setup a Domain Controller with Windows 2012 Server Core Setup static IP Open Powershell Install ADDS Install-WindowsFeature AD-Domain-Services –IncludeManagementTools Install DC Install-ADDSDomainController -DomainName contoso.com -InstallDNS:$True –Credential (Get-Credential)

windows:server_os:add_long_ad_grp_to_local_grp

Anonymous (anonymous@undisclosed.example.com) — 2019-10-31T09:06:00+00:00

Add AD group with long name as local group member When you try to add an Active Directory group with name longer than 25 characters (in total), net.exe command will not work; but you can use the following VB script instead Set objLocalGroup = GetObject("WinNT://./Administrators") Set objADGroup1 = GetObject("WinNT://DOMAINNAME/DOMAINGROUPNAME") objLocalGroup.Add(objADGroup1.ADsPath) Set objLocalGroup = Nothing Set objADGroup = Nothing

windows:server_os:addns

Anonymous (anonymous@undisclosed.example.com) — 2019-10-31T09:06:00+00:00

ADSI connect to DNS zones dc=forrestdnszones,dc=contoso,dc=com dc=domaindnszones,dc=contoso,dc=com

windows:server_os:adm_pwd

Anonymous (anonymous@undisclosed.example.com) — 2019-10-31T09:06:00+00:00

Resetting Administrator Password in Windows 2012 Here are two things to know about your Windows Server 2012 Administrator password (Works exactly the same in R2) * Do not forget your Administrator password. * You can reset it if you have physical access to the server machine

windows:server_os:auth_dhcp

Anonymous (anonymous@undisclosed.example.com) — 2019-10-31T09:06:00+00:00

Authorizing DHCP without Active Directory on Windows Server 2003, 2008 and 2012 If you need a DHCP server but don't wish to install Active Directory services, simply add a registry key here: HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Servic es\DHCPServer\Parameters

windows:server_os:core_drv

Anonymous (anonymous@undisclosed.example.com) — 2019-10-31T09:06:00+00:00

Installing drivers on CORE server installations In order to install a driver in Core Server installation, go to the directory with the driver and run: pnputil -i -a

windows:server_os:core_features

Anonymous (anonymous@undisclosed.example.com) — 2019-10-31T09:06:00+00:00

Enable and disable Windows Features on Server 2012 R2 Core So, you have installed Windows Server 2012 R2 Core and are determined to manage it without using any GUI tools. Very enthusiastic. I'd prefer to use Server Manager from a remote machine, but what the hell. Hit the keyboard.

windows:server_os:core_gui

Anonymous (anonymous@undisclosed.example.com) — 2019-10-31T09:06:00+00:00

Switch Windows Server 2012 between core and GUI Convert initial Core to GUI * Mount the Windows Server 2012 ISO to the host. * open an administrative command prompt * mkdir c:\mount * check your wimfile to determine the correct index for the

windows:server_os:core_to_gui

Anonymous (anonymous@undisclosed.example.com) — 2019-10-31T09:06:00+00:00

Uninstall GUI from Windows Server 2012 R2 Some programs require the desktop environment to be present. Otherwise the installation procedure doesn’t work. I came across such a program and was forced to install it on a server with GUI installed. Later I realized that the program itself doesn’t require the

windows:server_os:deactivate_data_deduplication

Anonymous (anonymous@undisclosed.example.com) — 2019-10-31T09:06:00+00:00

Disable Data Deduplication In order to “re-hydrate” the data back to the original files and out of the deduplication store, use the powershell command: start-dedupjob -Volume -Type Unoptimization You can check the status on where this is at by using

windows:server_os:enable_remote_administration

Anonymous (anonymous@undisclosed.example.com) — 2019-10-31T09:06:00+00:00

Remote admin Server 2016 Firewall netsh advfirewall firewall set rule group="Remote Administration" new enable=Yes Update: netsh advfirewall firewall set rule group="windows remote management" new enable=yes

windows:server_os:gpo_local_admins

Anonymous (anonymous@undisclosed.example.com) — 2019-10-31T09:06:00+00:00

Adding Domain Users To The Local Administrators Group Using Group Policy Adding AD users to the local administrators group on multiple computers is simple using Group Policy. In this post I’ll describe the process. Create a fresh group policy object (GPO) and link it to a test Organisation Unit (OU). Add a test server to the OU.

windows:server_os:hyper_v_exit_orphaned_domain

Anonymous (anonymous@undisclosed.example.com) — 2021-04-27T20:37:22+00:00

Hyper-V: Exit orphaned domain netdom remove /d:EXAMPLE.COM Hostname /FORCE EXAMPLE.COM is the domain that no longer exists Hostname is the local host name of the affected server

windows:server_os:hyper-v

Anonymous (anonymous@undisclosed.example.com) — 2019-10-31T09:06:00+00:00

Hyper-V Replica netsh advfirewall firewall set rule name="Hyper-V Replica HTTP Listener (TCP-In)" new enable=yes Planned failover $PrimaryVM1 = “Core” Stop-VM $PrimaryVM1 Start-VMFailover -VMName $PrimaryVM1 –prepare $ReplicaVM1 = “Core” Start-VMFailover -VMName $ReplicaVM1 Start-VM $ReplicaVM1

windows:server_os:install_dhcp

Anonymous (anonymous@undisclosed.example.com) — 2019-10-31T09:06:00+00:00

Install DHCP on Windows server 2016 core * Install DHCP role with management tools * perform post installation tasks * restart the service * tell windows that the post installation tasks are complete Install-WindowsFeature DHCP -IncludeManagementTools netsh dhcp add securitygroups Restart-service dhcpserver Add-DhcpServerInDC Set-ItemProperty –Path registry::HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\ServerManager\Roles\12 –Na…

windows:server_os:move_dhcp

Anonymous (anonymous@undisclosed.example.com) — 2019-10-31T09:06:00+00:00

Move DHCP server To move a DHCP server from one server to another, weather it be windows Server 2000, 2003, 2008, 2008 R2 or 2012. One the Source server export the DHCP configuration netsh dhcp server export C:\dhcp.txt all copy the dhcp.txt file to the new server and then run the following command to import the configuration.

windows:server_os:secure_rdp

Anonymous (anonymous@undisclosed.example.com) — 2019-10-31T09:06:00+00:00

Securing Windows Remote Desktop Access Usually setting up a basic RDP connection is sufficient enough for most intents and purposes but let's say that we require additional security. Then please allow me to demonstrate how to become proficient at elevating security when allowing Remote Desktop Access.

windows:server_os:srv_net_type

Anonymous (anonymous@undisclosed.example.com) — 2019-10-31T09:06:00+00:00

Changing Windows Server 2012 network type manually Network Profiles were first introduced as part of Windows Firewall with Advanced Features in Vista/2008 to allow administrators to configure different firewall profiles based upon what network a user connects to. Administrators could change the profile by navigating to Network and Sharing Center in control panel and selecting the profile which suits their needs.

windows:server_os:start

Anonymous (anonymous@undisclosed.example.com) — 2019-10-31T09:06:00+00:00

Server OS * DFS * Activate Windows Server Core using CMD or PowerShell * Add AD group with long name as local group member * Adding Domain Users To The Local Administrators Group Using Group Policy * ADSI connect to DNS zones * Authorizing DHCP without Active Directory on Windows Server 2003, 2008 and 2012 * Changing Windows Server 2012 network type manually * Configuring NTP in Windows * Disable Data Deduplication * Enable and disable Windows Features on Server 2012 R2 Core * En…

windows:server_os:storage_spaces

Anonymous (anonymous@undisclosed.example.com) — 2019-10-31T09:06:00+00:00

Storage spaces tiering # Get virtual disk into variable $VD = Get-VirtualDisk -FriendlyName "VMs" # Set tier for vhhdx Set-FileStorageTier -FilePath "V:\VMs\RJGDPM1\RJGDPM1 DPM Pool 1.vhdx" -DesiredStorageTier ($VD | Get-StorageTier -MediaType SSD) # Initiate tier placement Optimize-Volume -DriveLetter V -TierOptimize # Check status Get-FileStorageTier -VolumeDriveLetter V | FL

windows:server_os:switch_dhcp_servers

Anonymous (anonymous@undisclosed.example.com) — 2019-10-31T09:06:00+00:00

Switch Microsoft dhcp servers (Migrate) Export config on source server netsh dhcp server export C:\dhcp.txt all Copy the exported data file to the destination server and import netsh dhcp server import C:\dhcp.txt all Authorize the destination server, and unauthorize the source server (and stop the service on the source server)

windows:server_os:volsnap

Anonymous (anonymous@undisclosed.example.com) — 2019-10-31T09:06:00+00:00

Fix VolSnap Error If, in your Event Log, you encounter a VolSnap error The shadow copies of volume \\?\Volume{XXXXXXXX} were aborted during detection because a critical control file could not be opened. You might want to check if the system ran into Disk warnings and/or other service errors earlier. Those may be causing this as a consequential error or the error may result from having too many shadows or the host is simply taking too much time to create a VSS shadow.

windows:server_os:windows_features

Anonymous (anonymous@undisclosed.example.com) — 2019-10-31T09:06:00+00:00

Enable/Disable windows features using DISM Dism /online /get-features /format:table Dism /online /enable-feature /featurename: BitLocker-RemoteAdminTool Dism /online /disable-feature /featurename: BitLocker-RemoteAdminTool

windows:server_os:windows_ntp

Anonymous (anonymous@undisclosed.example.com) — 2019-10-31T09:06:00+00:00

Configuring NTP in Windows Manually configure the Windows Time service to use internal hardware clock To configure the PDC master without using an external time source, change the announce flag on the PDC master. The PDC master is the server that holds the forest root PDC master role for the domain. This configuration forces the PDC master to announce itself as a reliable time source and uses the built-in complementary metal oxide semiconductor (CMOS) clock. To configure the PDC master by usin…