密碼概觀Passwords Overview

適用於:Windows Server(以每年次管道)、Windows Server 2016Applies To: Windows Server (Semi-Annual Channel), Windows Server 2016

適用於 IT 專業人員本主題描述在所使用的 Windows 作業系統和文件和認證管理策略中的密碼使用討論連結中的密碼。This topic for the IT professional describes passwords as used in the Windows operating systems, and links to documentation and discussions about the use of passwords in a credential management strategy.

描述的功能Feature description

作業系統和應用程式目前的密碼周圍架構,而且即使您使用智慧卡或系統生物特徵辨識,所有帳號仍都有密碼,並仍然可以使用有時中。Operating systems and applications today are architected around passwords and even if you use smart cards or biometric systems, all accounts still have passwords and they can still be used in some circumstances. 某些帳號,您可以注意到帳號用來執行的服務,甚至不能使用智慧卡和生物特徵辨識權杖,因此必須使用密碼來驗證。Some accounts, notably accounts used to run services, cannot even use smart cards and biometric tokens and therefore must use a password to authenticate. Windows 可以使用密碼編譯 hashes 密碼。Windows protects passwords using cryptographic hashes.

如需 Windows 密碼,請查看密碼技術概觀中的 Windows?伺服器?2008?TechNet Library。For more information about Windows passwords, see the Passwords Technical Overview in the Windows??Server??2008??TechNet Library.

實用的應用程式Practical applications

在 Windows 和許多其他的作業系統,適用於驗證身分使用者的最常見的方法是使用複雜密碼秘密或密碼。In Windows and many other operating systems, the most common method for authenticating a user's identity is to use a secret passphrase or password. 保護您的環境網路需要密碼穩固供所有使用者。Securing your network environment requires that strong passwords be used by all users. 這有助於避免猜測低密碼,無論是透過手動方法,或使用工具,以取得受損的使用者的認證惡意使用者的威脅。This helps avoid the threat of a malicious user guessing a weak password, whether through manual methods or by using tools, to acquire the credentials of a compromised user account. 這非常適用於系統帳號。This is especially true for administrative accounts. 當您定期變更複雜密碼時,它可以減少密碼攻擊危害該 account 的可能性。When you change a complex password regularly, it reduces the likelihood of a password attack compromising that account.

新功能和變更功能New and changed functionality

在 Windows Server 2012 和 Windows 8,這會新圖片密碼。In Windows Server 2012 and Windows 8, picture passwords are new. 搭配手勢的一系列的使用者選取映像的組合會圖片密碼。Picture passwords are a combination of a user selected image coupled with a series of gestures. 停用圖片密碼功能 domain\ 加入電腦上。Picture password functionality is disabled on domain-joined computers. 圖片密碼的相關詳細資訊連結會列在也看到下方。Links to more information about picture passwords are listed in See Also below.

已有密碼功能在 Windows Server 2012 和 Windows 8 中不會變更。There has been no change to password functionality in Windows Server 2012 and Windows 8. 已新增新的群組原則設定。No new Group Policy settings have been added. 不過,改良功能和改進已在認證 (and password) 管理,例如使用圖片密碼、Credential 購物服務區及使用 Microsoft account 登入 Windows 8,之前稱為「Windows Live IDHowever, improvements and enhancements have been made in credential (and password) management, such as with picture passwords, Credential Locker and signing in to Windows 8 with a Microsoft account, formerly known as a Windows Live ID.

過時的功能Deprecated functionality

無密碼的功能已在 Windows Server 2012 和 Windows 8 中已取代。No password functionality has been deprecated in Windows Server 2012 and Windows 8.

軟體需求Software requirements

在企業環境中,通常是使用 Active Directory Domain Services 管理密碼。In enterprise environments, passwords are typically managed with Active Directory Domain Services. 密碼也可以使用當地的安全性設定,Account 原則,密碼原則中的設定會在本機電腦上進行管理。Passwords can also be managed on the local computer using the settings in local Security Settings, Account Policies, Password Policy.

也了See also

下表中列出的密碼的功能,其他資源技術和認證管理。This table lists additional resources for password features, technology and credential management.

內容類型Content type 資訊尋找參考資料References
案例的文件Scenario documentation 保護您的數位身分Protecting your digital identity
作業Operations Active Directory 使用者與電腦Active Directory Users and Computers
疑難排解Troubleshooting 了解當您的密碼後 -Active Directory PowerShell 部落格Find out when your Password Expires - Active Directory PowerShell Blog
安全性Security Windows Server 2008 R2 和 Windows 7威脅和措施快速入門:帳號原則Windows Server 2008 R2 and Windows 7 Threats and Countermeasures Guide: Account Policies

指引,以變更,並建立穩固密碼Guidance to change and create strong passwords
工具和設定Tools and settings 適用於 Windows 和 Windows Server Microsoft 下載中心的群組原則設定參考資料Group Policy Settings Reference for Windows and Windows Server on the Microsoft Download Center
社群資源Community resources 保護您的數位身分Protecting your digital identity

Windows 8 的 Windows Live ID 登入Signing in to Windows 8 with a Windows Live ID

使用圖片密碼登入Signing in with a picture password

將圖片密碼安全性最佳化Optimizing picture password security