M. Omer Siddiqui's Blog

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  • Blog Post: Rolling back forest functional level

    The only way you can roll back your forest functional level is from Windows Server 2008 R2 to Windows Server 2008 if Active directory Recycle Bin is not enabled. Review the following guidelines that apply to raising the domain or forest functional levels: You must be a member of the Domain Admins group...
  • Blog Post: Step by step guide for upgrading Active Directory from Microsoft Windows 2003 to Microsoft Windows Server 2008

    In this blog, I will guide you with a very simple step by step approach on how to upgrade your Active Directory from Microsoft Windows 2003 to Microsoft Windows Server 2008. Preparing your Active Directory infrastructure for upgrade to Windows Server 2008 includes the following tasks: Prepare Windows...
  • Blog Post: Microsoft security updates for December 2011

    As part of Microsoft's routine, monthly security update cycle, we released 13 new security updates on December 13, 2011. Get the details at http://www.microsoft.com/security/pc-security/bulletins/201112.aspx Read my favorites blogs: Designing a backup less Exchange 2010 Architecture Step by step guide...
  • Blog Post: Real people. Real answers.

    Ask questions and we will search for real answers. See answers by topic Install, Upgrade and Activate Windows Update Networking, Mail, and Getting Online All topics See answers by version Windows 7 Windows Vista Windows XP All Versions Find out at http://answers.microsoft.com/en-us
  • Blog Post: Ktpass

    Configures the server principal name for the host or service in Active Directory Domain Services (AD DS) and generates a .keytab file containing the shared secret key of the service. The .keytab file is based on the Massachusetts Institute of Technology (MIT) implementation of the Kerberos authentication...
  • Blog Post: Microsoft Exchange Server on domain controllers

    If you are running Exchange Server on a domain controller without Small Business Server, be aware of the following issues: Exchange Server and Active Directory are both resource-intensive applications. There are performance implications to be considered when both are running on the same computer. If...
  • Blog Post: Best practices for Infrastructure Planning and Design

    Download best practices for Infrastructure Planning and Design for products such as Microsoft Forefront Unified Access Gateway, Windows Server 2008 R2, Hyper-V, SQL Server 2008, Exchange Online, SharePoint Online, System Center, and much more from the IPD site on TechNet. Download at http://www.microsoft...
  • Blog Post: Exchange Support on Operating system, Active directory and others

    Many customers have been asking on what is supported on various Exchange versions like operating system, Active directory environment, web browsers, Clients and others and the answer to them is Exchange Supportability Matrix. The Exchange Server Supportability Matrix provides a central source for Microsoft...
  • Blog Post: Get your MCM Certification Video

    Get a behind the scenes view of the Microsoft Certified Master program in action. Instructors for MCM Exchange 2010 give us their point of view during a recent training rotation. MCM instructors are the best technical resources available, consisting of senior Microsoft product team members responsible...