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  • Wiki Page: Hyper-V and Router Guard Feature

    With Windows Server 2012, Microsoft added Hyper-V Router Guard feature. This feature can be enabled on VM NIC s and it discards the following packets: ICMPv4 Type 5 (Redirect message): The ICMPv4 Redirect message is used to notify a remote host to send data packets on an alternative route...
  • Wiki Page: Hyper-V and DHCP Guard Feature

    With Windows Server 2012, Microsoft added Hyper-V DHCP Guard feature. This feature can be enabled on VM NIC s and it discards DHCP Offer messages. Below is a figure about DHCP Lease process: When DHCP Offer packets are blocked, a DHCP server cannot offer an IP address. How DHCP Technology...
  • Wiki Page: How to Get the HTTP Status Code for a Website Running on a Specific Web Server using PowerShell

    When a Website is in HA (High Availability) mode, the Website HTTP status code may differ from a server to another if one or multiple servers are experiencing problems. These failures may not be noticed if the frontal Load Balancer have detected them and initiated a failover of the traffic by excluding...
  • Wiki Page: How to Enable and Configure DHCP MAC Address Filtering

    Table of Contents Introduction How does DHCP MAC address filtering work? How to enable the explicit allow or deny list? How to configure the explicit allow or deny list? Conclusion Introduction DHCP MAC address filtering is a feature for IPv4 addresses that allows including and / or excluding...
  • Wiki Page: How to Prevent Rogue DHCP Servers on your Network

    Table of Contents Introduction DHCP servers’ authorization in AD DS DHCP guard feature in Hyper-V DHCP snooping on network equipment How to detect rogue DHCP servers? Conclusion See Also Introduction Rogue DHCP servers are DHCP servers that are misconfigured, unauthorized unknowingly or configured...
  • Wiki Page: How to Add Images from OneDrive to your TechNet Wiki Article

    Table of Contents Description Why use images? Example How to use the tool Naming convention Adding and using the images to and from OneDrive Adding images Using the images Finally Description This Microsoft TechNet Wiki article shows you how to add images to your Wiki article from OneDrive. In...
  • Wiki Page: Formatting T-SQL Queries Output from JSON Model

    Table of Contents Introduction Building the Environment for Testing Formatting T-SQL outputs to JSON Conclusion References See Also Other Languages Introduction The transmission and processing data is very important. In some market segments, how faster is the consultation process, more reliable...
  • Wiki Page: T-SQL : Find Word Matched Count

    Table of Contents Introduction Problem Definition Solution Conclusion See Also Introduction We have been asked to design an algorithm which counts “No. Of Words Matched” between 2 different strings Problem Definition User wants to count “No. Of Words Matched” between 2 different strings...
  • Wiki Page: Transact-SQL: Join Order

    Table of Contents Background Our Case studies Default behavior of simple JOIN queries Basic Controlling of the Join order Query Optimizer Rules and Query Hints Force Order Hint Complex JOIN queries & Controlling the Join order Conclusions and General Rule of Thumb Resources and More information...
  • Wiki Page: Microsoft Codename "Cloud Numerics"

    Microsoft codename “Cloud Numerics” lab (referred to as “Cloud Numerics” in the text that follows) is a numerical and data analytics library for data scientists, quantitative analysts, and others who write C# applications in Visual Studio . It enables these applications to be scaled out, deployed...
  • Wiki Page: Baumstrukturen mit LINQ abfragen (de-DE)

    Dieser Artikel ist die deutsche Übersetzung meines zuerst auf Englisch erschienen Artikels How to Query Trees Using LINQ . (Gerichtete) Bäume gehören zu den häufigsten Datenstrukturen in der Informatik. Wie sie mit LINQ genutzt werden, ist aber weniger offensichtlich. Dieser Artikel definiert...
  • Wiki Page: How to Query Trees Using LINQ

    A (directed) tree is one of the most common data types. But how do you use trees in LINQ? This article introduces a generic LINQ-Extension which solves the problem, gives an example and discusses alternatives. Table of Contents Motivation Solution Usage Example Contradictions and alternatives...
  • Wiki Page: Writing a Very Basic Dynamic Query using Expression Trees

    In this wiki, let’s see how we can write a very simple query using expression trees which gets generated at the run time. If you are not aware of Expression Trees, let me quickly give you an introduction. Expression trees represent code in a tree-like data structure, where each node is an expression...
  • Wiki Page: AD CS Error: "The directory name is invalid." 0x8007010b (WIN32/HTTP:267)

    Sometimes when you publish new CRLs or check Application eventlog on CA server you may get error message: The directory name is invalid. 0x8007010b (WIN32/HTTP:267) : Usually this happens after incorrect CDP extension configuration on CA server. This error means that CA server was unable to...
  • Wiki Page: Yammer: Announcements Feature

    Table of Contents Who can use Announcements? How do I make an Announcement? Why use an Announcement? Advanced Strategies Make it Count Always Ask A Loyal Subject Above the Fold Be Bold and Don't Spare Bullets Differences between the Announcements Editor and the Notes Editor See Also The...
  • Wiki Page: Windows Services Introduction – Second Part (2)

    In the previous part of my article explained about services operation and structure and what is basically a service and in what cases it use. But in this part of my paper describe duties of the most important windows services. Presumption form (from first time that is installed) approximately ...
  • Wiki Page: Windows Services Introduction - First Part (1)

    Users easily can install and carry out each type of program and a desired instrument in modern personal computers or the very PCs, but do you hither to think yourselves what is a program itself that causes to perform all applications and instruments and plays? All our programs accomplish under windows...
  • Wiki Page: System Center Virtual Machine Manager R2 installation with local SQL 2012 DB

    Active Directory Setup: DOMAIN\scvmmsvc SCVMM Service Account account DOMAIN\scvmmadmin RunAs account for managing hosts DOMAIN\sqlsvc SQL service account DOMAIN\SCVMMAdmins SCVMM Administrators security group Prerequisites List (DPM Server): Install Server 2012 R2 Operating...
  • Wiki Page: Exchange 2010 SP1 de Virtual Directory Sıfırlama Nasıl Yapılır? (tr-TR)

    Exchange 2007 ve Exchange Server 2010 ile Virtual Directory sıfırlama işlemini Power Shell üzerinden Cmd’letler yardımı ile yapabiliyorduk. Exchange 2010 SP1 paketi sayesinde artık bu işlemi cmd’lete gerek kalmadan Exchange Management Console üzerinden yapabiliyoruz. Owa Virtual Directory sıfırlama...
  • Wiki Page: Exchange 2013 Üzerinde PowerShell ile Mail Gönderimi (tr-TR)

    Merhaba; Exchange 2013 Server üzerinde Exchange PowerShell ' i kullanarak mail gönderimi sağlayabiliriz. İlgili PowerShell komutlarını aşağıda sizler için örnekledim. send-mailmessage -from "Gonderen E-MAIL" -to "Alıcı E-MAIL" -subject "Konu" -smtpServer...
  • Wiki Page: TechNet Guru Contributions for August 2014

    Table of Contents Introduction How to Enter Categories Microsoft Azure BizTalk Forefront Identity Manager SharePoint 2010 / 2013 Small Basic SQL BI & Power BI SQL Server General & Database Engine System Center Transact-SQL Microsoft Visio Visual Basic Visual C# Windows Phone and Windows Store...
  • Wiki Page: Exchange Server 2007,2010 ve 2013 Üzerinde yayınlanan Local Sertifikalarda Kullanıcı Outlooklarında Neden Hata Alırız? (tr-TR)

    Merhaba; Local CA Server' ımızdan Install ve Assign ettiğimiz Exchange Sertifikasını GPO ile dağıttıktan sonra eğer CA' nız Expired yani zamanı dolmadıysa User Outlookların' da aşağıda ki gibi hata mesajları çıkar. Bunun başlıca nedeni oluşturduğunuz Subject Alternative Names'...
  • Wiki Page: Exchange 2013 PowerShell Script Ile User Bilgilerinin Attachment Mail Olarak Gönderilmesi (tr-TR)

    Merhaba; Exchange Server Organizasyonumuz üzerinde bulunan user mailboxlarının raporlarını PS Script ile Attachment (.csv formartında) mail olarak gönderebilirsiniz. Script Orjinal: Add-PSSnapin Microsoft.Exchange.Management.Powershell.Admin -erroraction silentlyContinue Get-MailboxStatistics...
  • Wiki Page: Exchange 2013 User Bazlı Rapor Almak (tr-TR)

    Get-MailboxStatistics komutu biraz daha açarak PowerShell üzerinden .csv formatında user mailboxları ile ilgili bir çok detaya ulaşabiliriz. Bir örnekleme yapmak gerekirse, ufuk.tatlidil@msexchangetr.org mailbox' ına ait olan "DisplayName,ItemCount,TotalItemSize,TotalDeletedItemSize,LastLogonTime...
  • Wiki Page: Exchange 2013 Server Üzerinde Kullanıcı Mail Kotalarının PowerShell Yardımı ile Listelemek (tr-TR)

    Exchange 2013 Server Üzerinde kullanıcılarım MailBox kotalarını görmek, raporlamak isteyebiliriz. Pek çok şirket tarafından kullanılan bir özelliktir. Çünkü çalışan her personel mail kullanımı hakkında bilgi sahibi olmayabilir, bu durumdan kaynaklı aşırı yer kullanımı nedeni ile sunucu tarafında kullandığınız...
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