Microsoft : Change Remote Desktop port

 The stepStart the registry editor. (Type regedit in the Search box.)Navigate to the following registry subkey: HKEY_LOCAL_MACHINE\System\CurrentControlSet\Control\Terminal Server\WinStations\RDP-TcpFind PortNumberClick Edit > Modify, and then click Decimal.Type the new port number, and then click OK.Close the registry editor, and restart your computer. Check the current port by running...

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Microsoft : Reboot a Server in a Failover Cluster

The guide:Login to the windows host to rebootSelect Start> Administrative tools> Failover Cluster ManagerSelect Failover Cluster ManagerVerify which server you need to reboot Select Nodes, right click the desired server, and select Drain RolesVerify that the Roles have migrated successfully by...

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Active Directory : The Security Database on the Server does not have a Computer Account for this Workstation Trust Relationship

Issue : The Security Database on the Server does not have a Computer Account for this Workstation Trust RelationshipSolutions:Login to local Administrator (make sure you set a local administrator password on machine and or set an user account password which is a member of local administrators group). Then unjoin the PC from the domain Reboot the PC.On the domain controller, go to Active Directory...

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Microsoft : \WINDOWS\SYSTEM32\CONFIG\SYSTEM is missing or corrupt

Restore the registry manually 1.Insert the Windows XP setup CD and restart the computer 2.Press any key to boot from the CD 3.Press R to access Repair Console 4.Enter the Administrator password. When the Command Prompt appears, type the following commands, one at a time and press Enter after each command, replacing C: with the Windows’ drive letter: Backup current file to temp folder: md tmp copy...

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Microsoft : Force repilcation between AD server

Source : https://helpdeskgeek.com/how-to/active-directory-force-replicati...

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Microsoft : Install SQL 2016

source : https://thycotic.force.com/support/s/article/Adv-Install-SQL-2...

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Microsoft : IIS Issue

Issuse: IIS Application pool cannot be deleted Solutions: Here are the Powershell commands: import-module WebAdministration iis: ls *optional* This just shows you the AppPools folder exists cd AppPools dir del *name_of_Web_Pool* Will ask you if you really do want to remove the App Pool. “Hit A for “Yes to all”. ls – This will allow you to verify the AppPool is gone. Source : http://jaredheinrichs.com/fix-application-pool-cannot-be-deleted-because-it-contains-1-applications.html ---------------------------------------------------------------------------------------------------------- Issue...

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Microsoft : IIS Redirect

1. Redirect HTTP to HTTP           <rewrite>             <rules>                 <rule name="redirect" stopProcessing="true">                    ...

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Microsoft: Install SSL Certificate in Windows 2012

Step to install certificate : 1.Convert current SSL format to Windows support format (.PFX or .P12 or P7B or .SST) 2.Import the certificate used mmc.exe. Under mmc, add Snap-in Certificates - This snip-in will always certificates for : Computer account. Then finish 3.Under personal, import the certificate to server 4.Now, certificate is install in serv...

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Windows : Install and configure SNMP

source : https://support.managed.com/kb/a764/how-to-install-snmp-and-configure-the-community-string-for-windows.a...

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Microsoft : Fix Autoconfiguration IPv4 Address issue Windows Server 2012 r2

source : https://techridez.com/blog/how-to-fix-autoconfiguration-ipv4-address-issue-windows-server-2012-...

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Microsoft : Windows 2012 R2 GUI Missing after remove .Net Frame 4.5

Issue : GUI Missing after reboot Solve: 1.  Run the below commands in the Server Core’s command prompt window to help you recover:DISM.exe /online /enable-feature /all /featurename:NetFx4DISM.exe /online /enable-feature /all /featurename:MicrosoftWindowsPowerShell 2.  The above commands...

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Microsoft : The trust relationship between this workstation and the primary domain failed.

Issue : The trust relationship between this workstation and the primary domain failed. Solutions : To resolve this issue, remove the computer from the domain, and then connect the computer to the domain. Use a local administrator account to log on to the computer. Select Start, press and hold (or right-click) Computer > Properties. Select Change settings next to the computer name. On the Computer...

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Microsoft : Manual failover in a SQL Server cluster

Source : http://tomaslind.net/2014/04/15/manual-failover-sql-server-cluster...

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Microsoft : How to disable RDP access for Administrator

Solutions: To deny a user or a group logon via RDP, explicitly set the "Deny logon through Remote Desktop Services" privilege. Start | Run | secpol.msc if editing the local policy or chose the appropriate policy and edit it Go to -> | Local Policies | User Rights Assignment. Find and double click -> "Deny logon through Remote Desktop Services" Add the user and / or the group that you would...

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Microsoft : Install Microsoft Security Essentials on Server 2012

Source : https://www.amixa.com/blog/2016/02/29/how-to-uninstall-mse-from-windows-server-2012-...

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Microsoft : Change policy password AD Server

Solution: Run gpmc.msc (Group Policy Manager) Expand domain Go to <Group Policy Object> and select <Default Domain Policy> Expand <Computer Configuration><Policies><Windows Setting><Security Setting><Account Policy><Password Policy> Disable Password complexit...

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