Network Device Enrollment Service (NDES) in Active Directory Certificate Services (AD CS) - TechNet Articles - United States (English) The Network Device Enrollment Service (NDES) is one of the role services of the Active Directory Certificate Services (AD CS) role. It implements the Simple Certificate Enrollment Protocol (SCEP). SCEP defines the communication between network devices and a Registration Authority (RA) for certificate enrollment and is defined in detail in “The goal of SCEP is to support the secure issuance of certificates to network devices in a scalable manner, using existing technology whenever possible.” This article was updated to cover the Windows Server 2012 release with the following exceptions: Some functionality was modified in the Windows Server 2008 R2 release, Windows Server 2008 Service Pack 2, and software updates for the Windows Server 2008.
Whenever applicable, the document will explicitly state the differences between the different operating system versions. The need to secure networks has grown substantially over the last few years. Notes. Windows PKI blog. Windows PKI Documentation Reference and Library - TechNet Articles - United States (English) Active Directory Structure and Storage Technologies: Active Directory. Administrators use Active Directory to store and organize objects on a network (such as users, computers, devices, and so on) into a secure hierarchical containment structure that is known as the logical structure. Although the logical structure of Active Directory is a hierarchical organization of all users, computers, and other physical resources, the forest and domain form the basis of the logical structure.
Forests, which are the security boundaries of the logical structure, can be structured to provide data and service autonomy and isolation in an organization in ways that can both reflect site and group identities and remove dependencies on the physical topology. Domains can be structured in a forest to provide data and service autonomy (but not isolation) and to optimize replication with a given region. The data that is stored in Active Directory can come from many diverse sources. Active Directory Structure and Storage Architecture Active Directory domains and forests. Powershell Research - Certificate Revocation and Status Checking. Powershell Research - A Support Guide for Wireless Diagnostics and Troubleshooting. Published: May 31, 2005 On This Page Introduction Information Gathering Symptom Diagnosis Part 1: 802.11 Connectivity Part 2: 802.1X Authentication Appendix A: Quick Reference Guide Appendix B: Wireless Group Policy References Introduction This article is designed to be a support aid to help diagnose wireless connection and authentication issues.
It is meant to provide an advanced level of wireless diagnostics procedures by analyzing tracing logs generated by wireless components in Microsoft® Windows® XP and Windows Server™ 2003 to spot common problems and verify basic operation. This article includes a quick reference, providing quick answers to common connection problems. This article assumes knowledge of IEEE 802.11-based wireless LAN networking including related technologies such as IEEE 802.1X and Wi-Fi Protected Access (WPA™). Information Gathering Windows operating system version, including the latest service pack installed and build number if applicable. Powershell Research - Troubleshooting IEEE 802.11 Wireless Access with Microsoft Windows. Updated: March 19, 2007 Abstract This article describes the tools used to troubleshoot a Microsoft Windows XP or Windows Server 2003-based wireless client, a wireless access point (AP), and the Internet Authentication Service (IAS) when using Institute of Electrical and Electronic Engineers (IEEE) 802.1X authentication for IEEE 802.11-based wireless connections.
This article also describes the most common problems with IAS authentication and authorization, certificate properties, and the process of certificate validation for both wireless client and IAS server certificates. This article assumes background knowledge in IEEE 802.11 wireless LAN and associated security technologies and the components of a Windows-based authentication infrastructure. For background information, see Wireless LAN Technologies and Microsoft Windows. For detailed information about a Windows-based authentication infrastructure, see Wireless Deployment Technology and Component Overview. On This Page Tracing. Event ID 11 — Automatic Root Certificates Update Configuration. The Automatic Root Certificates Update component is designed to automatically check the list of trusted authorities on the Microsoft Windows Update Web site.
Specifically, there is a list of trusted root certification authorities (CAs) stored on the local computer. When an application is presented with a certificate issued by a CA, it will check the local copy of the trusted root CA list. If the certificate is not in the list, the Automatic Root Certificates Update component will contact the Microsoft Windows Update Web site to see if an update is available. If the CA has been added to the Microsoft list of trusted CAs, its certificate will automatically be added to the trusted certificate store on the computer. Event Details Resolve Check permissions on the temporary directory The Automatic Root Certificates Update component downloads a cabinet (.cab) file to the temporary directory on the local computer, extracts the contents of the file, and then updates the root certificate list.
Troubleshooting Certificate Validation Errors: Exchange 2010 SP1 Help. Applies to: Exchange Server 2010 SP3, Exchange Server 2010 SP2 Topic Last Modified: 2012-07-23 This topic explains how to resolve certificate validation errors or refers to documentation that may help you resolve the errors. For more information about how the Microsoft Exchange Transport service selects certificates for Transport Layer Security (TLS), see the following topics: This error is an informational status message. By default, the certificate that installed with Exchange Server 2010 is self-signed. It's generally a best practice to use certificates from trusted third-party certification authorities (CA). This status message indicates that the domain name in either the subject name or subject alternative name fields of the certificate does not match the fully qualified domain name (FQDN) of the sender or receiver domain name. This status message indicates that the certificate that was used for this operation is not trusted by the computer certificate store.