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Definitions for Microsoft Windows, including terms about bugs or patches and words and phrases about Microsoft operating systems.


  • Microsoft Active Directory Rights Management Services (AD Rights Management Services) - Active Directory Rights Management Services (AD RMS) is a security tool that provides a safeguard to prevent unauthorized access to data.
  • Microsoft Antigen - Microsoft Antigen is a set of programs that provides security and e-mail filtering for network servers.
  • Microsoft App-V (Microsoft Application Virtualization) - Microsoft App-V is a tool IT administrators can use to virtualize and stream applications to users from a centrally managed location.
  • Microsoft Azure - Microsoft Azure, formerly known as Windows Azure, is Microsoft's public cloud computing platform.
  • Microsoft Azure Active Directory Connect (Microsoft Azure AD Connect) - Microsoft Azure Active Directory Connect (Microsoft Azure AD Connect) is a tool for connecting on-premises identity infrastructure to Microsoft Azure Active Directory.
  • Microsoft Azure Machine Learning - Microsoft Azure Machine Learning is a collection of services and tools intended to help developers train and deploy machine learning models.
  • Microsoft Azure Resource Manager - Microsoft Azure Resource Manager (ARM) is a management framework that allows administrators to deploy, manage and monitor Azure resources.
  • Microsoft Certified Systems Engineer (MCSE) - An MCSE (Microsoft Certified Systems Engineer) is someone who has passed exams about the Microsoft Windows NT operating system, related desktop systems, networking, and Microsoft's BackOffice server products.
  • Microsoft Click-To-Run - Microsoft Click-to-Run is a way to quickly install Microsoft products, including versions of Office 2010 and Office 2013.
  • Microsoft Cloud Witness - Microsoft Cloud Witness is a high availability feature for failover clusters that uses storage in the Microsoft Azure cloud platform to ensure clusters continue to function if there is a site outage.
  • Microsoft Cluster Operating System (OS) Rolling Upgrade - Microsoft Cluster Operating System (OS) Rolling Upgrade is a feature that keeps Hyper-V virtual machines (VMs) or Scale-Out File Server workloads running during an upgrade from a Windows Server 2012 R2 cluster to a Windows Server 2016 cluster.
  • Microsoft Cluster Server (MSCS) Generic Application - Generic Application is a Microsoft Cluster Server (MSCS) resource type responsible for managing cluster-unaware applications.
  • Microsoft Cluster Server (MSCS) Generic Script - Generic Script is a Microsoft Cluster Server (MSCS) resource type in a server cluster or failover cluster that supports an application controlled by a script that runs in Windows Script Host (WSH).
  • Microsoft Cluster Service (MSCS) - Microsoft Cluster Service (MSCS) is a service that provides high availability (HA) for applications such as databases, messaging and file and print services.
  • Microsoft Cortana - Cortana, Microsoft's virtual assistant, debuted in Windows Phone 8.
  • Microsoft DirectAccess Connectivity Assistant (Microsoft DCA) - Microsoft DirectAccess Connectivity Assistant (Microsoft DCA) is a tool administrators use to improve an enterprise's DirectAccess connection.
  • Microsoft Dynamics CRM software - Microsoft Dynamics CRM software is a customer relationship management package available in the cloud and on premises.
  • Microsoft Edge - Microsoft Edge is the browser for Windows 10; Edge replaces Internet Explorer, the browser that debuted with Windows 95 and was a part of Windows operating systems for the following two decades.
  • Microsoft Enhanced Mitigation Experience Toolkit (EMET) - Microsoft's Enhanced Mitigation Experience Toolkit (EMET) is a free Windows-based security tool that adds supplemental security defenses to defend potentially vulnerable legacy and third-party applications.
  • Microsoft Exchange 2010 Mailbox Server Role Requirements Calculator - The Microsoft Exchange 2010 Mailbox Server Role Requirements Calculator is a free, downloadable tool from Microsoft that helps Exchange 2010 administrators design their mailbox server role so that it is optimized for their specific deployment.
  • Microsoft Exchange Server 2016 - Microsoft Exchange Server 2016 is the latest iteration of the Exchange Server messaging platform.
  • Microsoft FAST Search - Microsoft FAST Search is the search engine for Microsoft's SharePoint collaboration platform.
  • Microsoft FIM (Microsoft Forefront Identity Manager) - Microsoft Forefront Identity Manager (FIM) is a self-service identity management software suite.
  • Microsoft Forefront Unified Access Gateway (Microsoft Forefront UAG) - Microsoft Forefront Unified Access Gateway (Forefront UAG) is a tool that can provide a secure remote access option for remote end users who want to access corporate resources on PCs as well as on mobile devices.
  • Microsoft Hyper-V Manager - Microsoft Hyper-V Manager is a tool that allows administrators to create, change and delete virtual machines (VMs).
  • Microsoft Hyper-V Shielded VM - A Microsoft Hyper-V Shielded VM is a security feature of Windows Server 2016 that protects a Hyper-V second-generation virtual machine (VM) from access or tampering by using a combination of Secure Boot, BitLocker encryption, virtual Trusted Platform Module (TPM) and the Host Guardian Service.
  • Microsoft Monitoring Agent - The Microsoft Monitoring Agent is a service used to watch and report on application and system health on a Windows computer.
  • Microsoft Network Access Protection (NAP) - Network access protection (NAP), introduced with Windows Server 2008, is Microsoft’s approach to controlling access to a network based on a determination of each device’s health.
  • Microsoft Office 2013 (MS Office 2013) - Microsoft Office 2013 is a suite of office productivity applications used in homes and businesses of all sizes.
  • Microsoft Office 2016 - Microsoft Office 2016 is a suite of productivity applications that includes Microsoft Word, Microsoft Excel, Microsoft PowerPoint and Microsoft Outlook.
  • Microsoft Office 365 Groups - Microsoft Office 365 Groups is a cloud collaboration feature for communication, coordinating group efforts and exchanging information.
  • Microsoft Office Delve - Microsoft Delve is a discovery and collaboration tool within Office 365 that uses machine learning to help users work more efficiently.
  • Microsoft Office Graph - The Microsoft Office Graph is a back-end tool in the Microsoft Office 365 Suite that facilitates search across integrated applications and applies machine learning to organizational content use.
  • Microsoft Planner - Microsoft Planner is a project management application developed by Microsoft that allows teams to create, assign and organize work visually.
  • Microsoft PowerApps - Microsoft PowerApps enables developers and nontechnical users to build mobile applications from selectable templates without having to know code, and to host these apps on Microsoft Azure.
  • Microsoft PowerPivot - PowerPivot is a free Microsoft Excel tool that increases the capabilities of Excel's pre-existing pivot table tool by allowing users to import data from multiple sources.
  • Microsoft RD Virtualization Host (Remote Desktop Virtualization Host) - Microsoft RD Virtualization Host (Remote Desktop Virtualization Host) is a Remote Desktop Services role service in Windows Server 2008 R2.
  • Microsoft Scale-Out File Server - Microsoft Scale-Out File Server is an active-active clustered file server feature based on Server Message Block (SMB) 3.
  • Microsoft Schannel (Microsoft Secure Channel) - The Microsoft Secure Channel or Schannel is a security package that facilitates the use of Secure Sockets Layer (SSL) and/or Transport Layer Security (TLS) encryption on Windows platforms.
  • Microsoft Security Configuration Wizard (SCW) - Microsoft Security Configuration Wizard (SCW) is an administrative tool used to change the default security settings on a server and to apply a security policy on multiple servers.
  • Microsoft Security Essentials (MSE) - Microsoft Security Essentials (MSE) is an antimalware software product made by Microsoft that provides protection for client computers against viruses, worms, Trojans, spyware and other malicious software on Windows XP, Windows Vista and Windows 7 systems.
  • Microsoft SharePoint - Microsoft SharePoint is a document management and collaboration platform that helps companies manage archives, documents, reports and other content that is vital to the business process.
  • Microsoft SharePoint 2013 - SharePoint 2013 is a collaboration platform that offers a simplified user experience and enterprise social media capabilities.
  • Microsoft SharePoint Online - Microsoft SharePoint Online is a collection of cloud- and web-based technologies that makes it easy to store, share and manage digital information within an organization.
  • Microsoft Software Assurance (SA) - Microsoft Software Assurance is a software maintenance program that helps organizations gain access to the latest software versions and releases, without incurring additional licensing costs.
  • Microsoft SQL Server 2016 - SQL Server 2016 is a SQL-based relational database management system released by Microsoft for general availability on June 1, 2016.
  • Microsoft System Center - Microsoft System Center is a suite of individually sold systems management products.
  • Microsoft System Center 2012 R2 - Microsoft System Center 2012 R2 is the newest version of the server management suite of products.
  • Microsoft System Center Configuration Manager (SCCM) - Microsoft System Center Configuration Manager (SCCM) is a Windows product that enables the management, deployment and security of devices and applications across an enterprise.
  • Microsoft System Center Virtual Machine Manager 2012 - Microsoft System Center Virtual Machine Manager 2012 (SCVMM 2012) is Microsoft's virtualization management product.
  • Microsoft Virtual Academy (MVA) - The Microsoft Virtual Academy (MVA) is a free online school with courses that cover Microsoft-related topics and specific Microsoft products.
  • Microsoft Volume Shadow Copy Service (Microsoft VSS) - Microsoft VSS is a Windows Server feature used for backing up and restoring LUNs and individual files.
  • Microsoft Web Platform Installer (Web PI) - Microsoft Web Platform Installer (Web PI) is a free tool Microsoft offers organizations so they can receive components in the Microsoft Web Platform.
  • Microsoft Windows - Windows is a personal computer operating system from Microsoft that, together with some commonly used business applications such as Microsoft Word and Excel, has become a de facto 'standard' for individual users in most corporations as well as in most homes.
  • Microsoft Windows 10 Continuum - Microsoft Windows 10 Continuum is a feature that adapts the Windows operating system to the form factor that's being used.
  • Microsoft Windows 8 Modern - Microsoft Windows 8 Modern (formerly called Metro) is the Microsoft user interface initially released with the Windows 8 operating system.
  • Microsoft Windows Azure Active Directory (Windows Azure AD) - Microsoft Windows Azure Active Directory (Windows Azure AD or Azure AD) is a cloud service that provides administrators with the ability to manage end-user identities and access privileges.
  • Microsoft Windows BranchCache - Microsoft BranchCache is a technology intended to cache central data to remote or branch offices in order to reduce network traffic and optimize WAN utilization.
  • Microsoft Windows Explorer - Microsoft Windows Explorer is a graphical file management utility included with Microsoft Windows 95 and later; finally renamed File Explorer with Windows 8 and Windows Server 2012.
  • Microsoft Windows File Manager - The Microsoft Windows File Manager is the graphical user interface through which users could see and manipulate files and folders on early-version Windows computers.
  • Microsoft Windows Hello - Microsoft Windows Hello is a Windows 10 authentication feature that allows users to access compatible hardware devices without a password.
  • Microsoft Windows Live Migration compression - Live Migration compression is a Windows Server 2012 R2 process to compress memory data before it's sent over a network.
  • Microsoft Windows Management Framework (WMF) - Microsoft Windows Management Framework (WMF) is a driver that that allows the machine to read/use new updates on software.
  • Microsoft Windows MultiPoint Server - Microsoft Windows MultiPoint Server is a shared resource computing solution that enables hosting for multiple simultaneous independent computing stations or terminals connected to a single computer.
  • Microsoft Windows MultiPoint Services Role - Windows MultiPoint Services Role is a role in Windows Server 2016 that allows multiple users to share a single computer while having their own Windows experience.
  • Microsoft Windows PowerShell Direct - Microsoft Windows PowerShell Direct is a feature of Windows Server 2016 and Windows 10 that allows a user to manage a VM without requiring changes in the network connection or remote management settings.
  • Microsoft Windows Recovery Environment (Windows RE) - The Microsoft Windows Recovery Environment, or Windows RE, is a simplified, scaled-back version of the Windows operating system that is used to boot the system when Windows 8.
  • Microsoft Windows Server 2008 - Windows Server 2008 is the server operating system developed by Microsoft.
  • Microsoft Windows Server 2012 R2 - Windows Server 2012 R2 is the second iteration of Windows Server 2012.
  • Microsoft Windows Server 2012 Remote Access - Remote Access is a Windows Server 2012 and Windows Server 2012 R2 feature that combines DirectAccess, Routing and Remote Access Service features.
  • Microsoft Windows Server 2016 - Microsoft Windows Server 2016, previously referred to as Windows Server vNext, is a server operating system (OS).
  • Microsoft Windows Server Antimalware - Microsoft Windows Server Antimalware is a tool in the Windows Server 2016 Technical Preview that protects against malware.
  • Microsoft Windows Server Datacenter Abstraction Layer (DAL) - The Microsoft Windows Server Datacenter Abstraction Layer (DAL) is a software framework intended to enable consistent monitoring and management of hardware found in the typical data center environment.
  • Microsoft Windows Server Desktop Experience - Microsoft Windows Server Desktop Experience is a feature that allows admins to install various Windows 7 features on servers running Windows Server 2008, Windows 8 features on servers running Windows Server 2012 and Windows 8.
  • Microsoft Windows Server Event Viewer - Microsoft Windows Server Event Viewer is a monitoring tool that shows a log of events that can be used to troubleshoot issues on a Windows-based system.
  • Microsoft Windows Server Manager - Microsoft Windows Server Manager is a tool for managing a server's identity and the roles installed on the server.
  • Microsoft Windows Task Manager - Microsoft Windows Task Manager is a component of Microsoft Windows intended to assist administrators or advanced system users in monitoring, managing and troubleshooting a Windows computer system.
  • Microsoft Windows Update for Business - Microsoft Windows Update for Business is a service in Windows 10 that will allow administrators to control which client devices will receive updates and when by choosing a 'fast' or 'slow' distribution ring.
  • MinWin - MinWin is the lowest level of the Windows operating system.
  • mirror driver - A mirror driver is a Windows device driver used in extended desktops, remote desktop software and assistive technology.
  • monad - A monad is: 1) A type of functor used in category theory in mathematics.
  • mscorsvw.exe - Mscorsvw.exe is a process that is used to precompile Microsoft .
  • MTS (Microsoft Transaction Server) - This definition is generally duplicated under Viper.
  • multidimensional expressions (MDX) - multidimensional expressions (MDX).
  • netstat - Netstat is a common command line TCP/IP networking utility available in most versions of Windows, Linux, UNIX and other operating systems.
  • Network Access Quarantine Control (NAQC) - Network Access Quarantine Control (NAQC) is a Resource Kit tool in Windows Server 2003 and  Windows Server 2008 that allows administrators to prevent remote client computers from connecting to their network with machines that aren't secure.
  • Next Generation Secure Computing Base (NGSCB) - The Next Generation Secure Computing Base (NGSCB) is a part of the Microsoft Vista operating system (OS) that employs a trusted platform module (TPM), a specialized chip that can be installed on the motherboard of a personal computer (PC) or server for the purpose of hardware authentication.
  • Ntdsutil - Ntdsutil.exe is a command-line tool for accessing and managing a Windows Active Directory database.
  • ONNX - ONNX (Open Neural Network Exchange) is an open container format for the exchange of neural network models between different frameworks, providing they support ONNX import and export.
  • OOXML (Office Open Extended Markup Language) - OOXML (Office Open Extended Markup Language), also called Open XML, is a file format for documents, spreadsheets and presentations that is intended for use with the 2007 and later versions of the Microsoft Office suite.
  • organizational unit (OU) - An organizational unit (OU) is a container within a Microsoft Active Directory domain which can hold users, groups and computers.
  • PowerShell v3 - PowerShell v3 is a task-automation framework found in client and server versions of Windows.
  • Receive Segment Coalescing (RSC) - Receive Segment Coalescing (RSC) is an offload technology in Windows Server 2012 and Windows Server 2012 R2 that can help reduce how much of the CPU is used in network processing.
  • registry key - In the Windows 98, CE, NT, and 2000 operating systems, a registry key is an organizational unit in the Windows registry.
  • remote code execution (RCE) - Remote code execution is a security vulnerability that allows an attacker to execute codes from a remote server.
  • remote desktop protocol (RDP) - Remote desktop protocol (RDP) is a secure network communications protocol from Microsoft.
  • Remoting (PowerShell Remoting) - PowerShell Remoting is a feature in PowerShell that lets admins run commands on remote systems.
  • Resilient File System (ReFS) - Resilient File System (ReFS) is a file system developed by Microsoft for use on the Windows operating system (OS) that's designed to overcome some of the limitations in the New Technology File System (NTFS).
  • RODC (read-only domain controller) - A read-only domain controller (RODC) is a domain controller that hosts an Active Directory database's read-only partitions.
  • RSoP (Resultant Set of Policy) - RSoP (Resultant Set of Policy) is a report of all Group Policy settings within Active Directory that shows how those settings can affect a network.


  • information governance

    Information governance is a holistic approach to managing corporate information by implementing processes, roles, controls and ...

  • enterprise document management (EDM)

    Enterprise document management (EDM) is a strategy for overseeing an organization's paper and electronic documents so they can be...

  • risk assessment

    Risk assessment is the identification of hazards that could negatively impact an organization's ability to conduct business.


  • unified threat management (UTM)

    Unified threat management (UTM) describes an information security (infosec) system that provides a single point of protection ...

  • physical security

    Physical security is the protection of personnel, hardware, software, networks and data from physical actions and events that ...

  • attack vector

    An attack vector is a path or means by which an attacker or hacker can gain access to a computer or network server in order to ...



  • risk mitigation

    Risk mitigation is a strategy to prepare for and lessen the effects of threats faced by a business.

  • call tree

    A call tree is a layered hierarchical communication model that is used to notify specific individuals of an event and coordinate ...

  • Disaster Recovery as a Service (DRaaS)

    Disaster recovery as a service (DRaaS) is the replication and hosting of physical or virtual servers by a third party to provide ...


  • cloud storage

    Cloud storage is a service model in which data is transmitted and stored on remote storage systems, where it is maintained, ...

  • cloud testing

    Cloud testing is the process of using the cloud computing resources of a third-party service provider to test software ...

  • storage virtualization

    Storage virtualization is the pooling of physical storage from multiple storage devices into what appears to be a single storage ...