[{"id":56,"title":"DCDiag: PowerShell Kullanarak Etki Alan\u0131 Denetleyicisi Sa\u011fl\u0131\u011f\u0131 V2","content":"<p><a href=\"..\/..\/..\/dcdiag-komutu-active-directory-saglik-kontrolu\/\">DCDiag: PowerShell Kullanarak Etki Alan\u0131 Denetleyicisi Sa\u011fl\u0131\u011f\u0131n\u0131 Nas\u0131l Kontrol Edilir? <\/a> yaz\u0131m\u0131n\u0131n devam\u0131 niteli\u011findeki bu yaz\u0131mda di\u011fer yakla\u015f\u0131mlar\u0131 payla\u015f\u0131yorum Microsoft Windows Active Directory ortamlar\u0131nda etki alan\u0131 denetleyicilerinin (domain controller) sa\u011fl\u0131\u011f\u0131n\u0131 kontrol etmek ve olas\u0131 sorunlar\u0131 tespit etmek i&ccedil;in g&uuml;&ccedil;l&uuml; bir komut sat\u0131r\u0131 arac\u0131 olan **DCDiag** (Domain Controller Diagnostic), sistem y&ouml;neticileri i&ccedil;in vazge&ccedil;ilmez bir ara&ccedil;t\u0131r. Bu yaz\u0131da, DCDiag arac\u0131n\u0131 kullanarak etki alan\u0131 denetleyicilerinizin sa\u011fl\u0131k durumunu nas\u0131l kontrol edebilece\u011finizi ve bu i\u015flemleri PowerShell &uuml;zerinden nas\u0131l ger&ccedil;ekle\u015ftirebilece\u011finizi anlataca\u011f\u0131z. DCDiag Arac\u0131 Nedir? DCDiag, Microsoft taraf\u0131ndan geli\u015ftirilmi\u015f, Windows Server ortamlar\u0131nda yer alan etki alan\u0131 denetleyicilerini tan\u0131lamak ve sorunlar\u0131n\u0131 gidermek i&ccedil;in kullan\u0131lan g&uuml;&ccedil;l&uuml; bir komut sat\u0131r\u0131 (command line) arac\u0131d\u0131r. Bu ara&ccedil; sayesinde: - DNS yap\u0131land\u0131rmas\u0131, - Replikasyon s&uuml;re&ccedil;leri, - SYSVOL &ccedil;o\u011faltma, - LDAP sorgular\u0131, - G&uuml;ven ili\u015fkileri (trust), - Kerberos kimlik do\u011frulama gibi kritik servislerin &ccedil;al\u0131\u015f\u0131p &ccedil;al\u0131\u015fmad\u0131\u011f\u0131n\u0131 test edebilirsiniz. DCDiag Arac\u0131 Nerede Bulunur? E\u011fer Windows Server 2012 R2 veya sonraki s&uuml;r&uuml;mler kullan\u0131yorsan\u0131z, DCDiag arac\u0131 sisteminize zaten kurulu gelir. Yani ek bir kurulum yapman\u0131za gerek yoktur. Ancak gerekirse, Remote Server Administration Tools (RSAT) veya Active Directory Domain Services rol&uuml; arac\u0131l\u0131\u011f\u0131yla da y&uuml;kleyebilirsiniz. DCDiag Arac\u0131n\u0131n Temel Fonksiyonlar\u0131 DCDiag, a\u015fa\u011f\u0131daki testleri otomatik olarak ger&ccedil;ekle\u015ftirerek etki alan\u0131 denetleyicilerinizin sa\u011fl\u0131\u011f\u0131n\u0131 de\u011ferlendirir: - **Ba\u011flant\u0131 Testi**: Etki alan\u0131 denetleyicisinin a\u011fa ba\u011fl\u0131 olup olmad\u0131\u011f\u0131n\u0131 ve di\u011fer DC'lerle ileti\u015fim kurabildi\u011fini kontrol eder. - **DNS Testi**: DNS kay\u0131tlar\u0131n\u0131n do\u011fru \u015fekilde &ccedil;&ouml;z&uuml;l&uuml;p &ccedil;&ouml;z&uuml;lemedi\u011fini ve kay\u0131t i\u015flemlerinin d&uuml;zg&uuml;n &ccedil;al\u0131\u015f\u0131p &ccedil;al\u0131\u015fmad\u0131\u011f\u0131n\u0131 inceler. - **Replikasyon Testi**: Di\u011fer DC&rsquo;lerle veri e\u015fitlemesinin do\u011fru yap\u0131l\u0131p yap\u0131lmad\u0131\u011f\u0131n\u0131 kontrol eder. - **LDAP Testi**: LDAP sorgular\u0131n\u0131n do\u011fru &ccedil;al\u0131\u015f\u0131p &ccedil;al\u0131\u015fmad\u0131\u011f\u0131n\u0131 s\u0131nar. - **Kerberos Kimlik Do\u011frulama Testi**: Kerberos protokol&uuml;n&uuml;n do\u011fru &ccedil;al\u0131\u015ft\u0131\u011f\u0131n\u0131 do\u011frular. - **SYSVOL Replikasyon Testi**: SYSVOL payla\u015f\u0131m\u0131n\u0131n &ccedil;o\u011falt\u0131lmas\u0131n\u0131n do\u011fru yap\u0131ld\u0131\u011f\u0131n\u0131 kontrol eder. - **Global Katalog Testi**: Global Katalog hizmetinin do\u011fru &ccedil;al\u0131\u015f\u0131p &ccedil;al\u0131\u015fmad\u0131\u011f\u0131n\u0131 inceler. - **G&uuml;ven \u0130li\u015fkileri Testi**: Etki alanlar\u0131 aras\u0131ndaki g&uuml;ven ili\u015fkilerinin sa\u011flam olup olmad\u0131\u011f\u0131n\u0131 de\u011ferlendirir. DCDiag Komut Sat\u0131r\u0131 Kullan\u0131m\u0131 DCDiag temelde komut sat\u0131r\u0131 &uuml;zerinden &ccedil;al\u0131\u015ft\u0131r\u0131l\u0131r. CMD veya PowerShell penceresinden y&ouml;netici haklar\u0131yla ba\u015flat\u0131lmas\u0131 &ouml;nerilir. Temel kullan\u0131m \u015fu \u015fekildedir:<\/p>\r\n<pre data-enlighter-language=\"python\">dcdiag.exe \/s: <\/pre>\r\n<p>Parametre A&ccedil;\u0131klamalar\u0131: - `\/s`: Hedef sunucuyu belirtir. Belirtilmezse lokal DC test edilir. - `\/u`: Ba\u011flanmak istedi\u011finiz kullan\u0131c\u0131 hesab\u0131n\u0131 belirtir. - `\/p`: Yukar\u0131da belirtilen kullan\u0131c\u0131ya ait \u015fifreyi girer. Yard\u0131m Almak T&uuml;m parametreleri g&ouml;rmek ve yard\u0131m almak i&ccedil;in a\u015fa\u011f\u0131daki komutu kullanabilirsiniz:<\/p>\r\n<pre data-enlighter-language=\"python\">dcdiag \/? <\/pre>\r\n<p>Yayg\u0131n Kullan\u0131m Senaryolar\u0131 1. Yerel DC &Uuml;zerinde Basit Test Yerel etki alan\u0131 denetleyicisi &uuml;zerinde temel bir test yapmak i&ccedil;in:<\/p>\r\n<pre data-enlighter-language=\"python\">dcdiag.exe <\/pre>\r\n<p>2. Uzaktaki Bir DC&rsquo;yi Test Etmek Belirli bir uzak DC&rsquo;yi test etmek i&ccedil;in:<\/p>\r\n<pre data-enlighter-language=\"python\">dcdiag.exe \/s:dc01 \/u:etki_alani\\Administrator \/p:sifre <\/pre>\r\n<p>3. T&uuml;m DC&rsquo;leri Ayn\u0131 Anda Test Etmek A\u011f\u0131n\u0131z birden fazla site i&ccedil;eriyorsa ve t&uuml;m DC&rsquo;leri test etmek istiyorsan\u0131z:<\/p>\r\n<pre data-enlighter-language=\"python\">dcdiag.exe \/s:dc01 \/a <\/pre>\r\n<p>4. DNS Testi Yapmak DNS ile ilgili sorunlar\u0131 tespit etmek i&ccedil;in:<\/p>\r\n<pre data-enlighter-language=\"python\">dcdiag.exe \/s:dc01 \/test:dns <\/pre>\r\n<p>Bu komutla birlikte baz\u0131 alt testler de yap\u0131labilir: - `\/DNSBasic` &ndash; Temel DNS ayarlar\u0131n\u0131n kontrol&uuml; - `\/DnsForwarders` &ndash; Y&ouml;nlendirici ayarlar\u0131n\u0131n kontrol&uuml; - `\/DnsDynamicUpdate` &ndash; Dinamik DNS g&uuml;ncellemeleri - `\/DnsRecordRegistration` &ndash; Kay\u0131t do\u011frulu\u011fu kontrol&uuml; 5. Sessiz Modda &Ccedil;al\u0131\u015ft\u0131rmak Sadece hata mesajlar\u0131n\u0131 g&ouml;rmek i&ccedil;in:<\/p>\r\n<pre data-enlighter-language=\"python\">dcdiag.exe \/s:dc01 \/q <\/pre>\r\n<p>6. Detayl\u0131 &Ccedil;\u0131kt\u0131 Almak Daha fazla bilgi almak i&ccedil;in:<\/p>\r\n<pre data-enlighter-language=\"python\">dcdiag.exe \/s:dc01 \/v <\/pre>\r\n<p>7. Sonu&ccedil;lar\u0131 Bir Dosyaya Kaydetmek Sonu&ccedil;lar\u0131 d\u0131\u015fa aktararak daha sonra analiz edebilirsiniz:<\/p>\r\n<pre data-enlighter-language=\"python\">dcdiag.exe \/s:dc01 \/f:c:\\dcdiag_sonuc.txt <\/pre>\r\n<p>8. Otomatik Onar\u0131m Yapmak Baz\u0131 hatalar\u0131 otomatik onarmak i&ccedil;in:<\/p>\r\n<pre data-enlighter-language=\"python\">dcdiag.exe \/s:dc01 \/fix <\/pre>\r\n<p>**Not:** `\/fix` komutu dikkatli kullan\u0131lmal\u0131d\u0131r. Her zaman &ouml;nce yedek al\u0131nmal\u0131 ve sonu&ccedil;lar detayl\u0131 olarak incelenmelidir. PowerShell ile DCDiag Kullan\u0131m\u0131 PowerShell'de do\u011frudan bir DCDiag cmdlet&rsquo;i olmamas\u0131na ra\u011fmen, `Invoke-Expression` veya `Invoke-Command` komutlar\u0131 ile DCDiag komutlar\u0131n\u0131 &ccedil;al\u0131\u015ft\u0131rabilirsiniz. &Ouml;rne\u011fin: Yerel Sunucuda DNS Testi Yapmak powershell Invoke-Expression \"dcdiag.exe \/test:DNS \/v\" Uzak Sunucuda DNS Testi Yapmak powershell Invoke-Command -ComputerName \"dc01\" -ScriptBlock { dcdiag.exe \/test:DNS \/v } Bu y&ouml;ntem sayesinde PowerShell'in uzak y&ouml;netim yeteneklerini kullanarak birden fazla sunucuda ayn\u0131 anda DCDiag testleri &ccedil;al\u0131\u015ft\u0131rabilirsiniz. Sonu&ccedil; DCDiag, Active Directory ortamlar\u0131nda &ccedil;al\u0131\u015fan sistem y&ouml;neticileri i&ccedil;in &ccedil;ok de\u011ferli bir ara&ccedil;t\u0131r. Etki alan\u0131 denetleyicilerinin sa\u011fl\u0131k durumunu d&uuml;zenli olarak kontrol ederek, potansiyel sorunlar\u0131n erken tespiti ve &ccedil;&ouml;z&uuml;m&uuml; sa\u011flanabilir. PowerShell ile entegre &ccedil;al\u0131\u015farak hem yerel hem de uzak sunucularda kolayl\u0131kla kullan\u0131labilmesi, bu arac\u0131 daha da g&uuml;&ccedil;l&uuml; k\u0131lar. DCDiag'i bak\u0131m rutinlerinize dahil ederek, Active Directory ortam\u0131n\u0131z\u0131 g&uuml;venli, stabil ve h\u0131zl\u0131 bir \u015fekilde y&ouml;netebilirsiniz. Ekstra: InfraSOS AD Sa\u011fl\u0131k Kontrol Arac\u0131 Active Directory&rsquo;nizin replikasyon durumu, DNS yap\u0131land\u0131rmas\u0131 ve genel g&uuml;venlik durumunu tek bir platformda takip etmek isterseniz (https:\/\/infrasos.com) yaz\u0131l\u0131m\u0131 &uuml;cretsiz deneme s&uuml;r&uuml;m&uuml;yle hizmetinize haz\u0131rd\u0131r. Kolay kurulum, tak\u0131m deste\u011fi ve detayl\u0131 raporlama &ouml;zellikleriyle sizin i\u015finizi kolayla\u015ft\u0131r\u0131r. \ud83d\udc49 (https:\/\/infrasos.com) \u0130sterseniz bu yaz\u0131y\u0131 bir WordPress veya Blogger format\u0131na uygun hale getirerek g&ouml;rsellerle zenginle\u015ftirebilirim. Yard\u0131mc\u0131 olmam\u0131 ister misiniz?<\/p>","excerpt":"DCDiag: PowerShell Kullanarak Etki Alan\u0131 Denetleyicisi Sa\u011fl\u0131\u011f\u0131n\u0131 Nas\u0131l Kontrol Edilir? yaz\u0131m\u0131n\u0131n devam\u0131 niteli\u011findeki bu yaz\u0131mda di\u011fer...","created_at":"2025-06-09 23:29:35","updated_at":"2026-09-08 03:50:26","category_id":6,"view_count":1288,"reading_time":6,"status":"published","editor_choice":0,"is_editor_choice":0,"published_at":"2025-06-09 23:29:35","featured_image":"resimyok.jpg","slug":"dcdiag-powershell-kullanarak-etki-alani-denetleyicisi-sagligi","category_name":"Sistem","category_slug":"sistem","category_color":"#3b82f6"},{"id":58,"title":"DCDIAG Komutu: Active Directory Sa\u011fl\u0131k Kontrol\u00fc","content":"<p data-selectable-paragraph=\"\">Active Directory (AD), kurumsal a\u011f altyap\u0131lar\u0131n\u0131n merkezi y&ouml;netim bile\u015fenidir. Kullan\u0131c\u0131 kimlik do\u011frulama, kaynak eri\u015fim denetimi, grup ilkeleri ve daha bir&ccedil;ok kritik i\u015flev AD taraf\u0131ndan y&uuml;r&uuml;t&uuml;l&uuml;r. Bu nedenle AD&rsquo;nin kararl\u0131, tutarl\u0131 ve g&uuml;venli bir \u015fekilde &ccedil;al\u0131\u015fmas\u0131; kullan\u0131c\u0131 deneyimi, g&uuml;venlik ve sistem s&uuml;reklili\u011fi a&ccedil;\u0131s\u0131ndan hayati &ouml;neme sahiptir.<\/p>\r\n<p data-selectable-paragraph=\"\">Bununla birlikte, AD altyap\u0131s\u0131 karma\u015f\u0131k ve da\u011f\u0131t\u0131k bir yap\u0131ya sahiptir. Forest&rsquo;lar, domain&rsquo;ler, site&rsquo;lar, replication ba\u011flant\u0131lar\u0131 ve DNS ba\u011f\u0131ml\u0131l\u0131klar\u0131 gibi bir&ccedil;ok bile\u015fen, zamanla konfig&uuml;rasyon hatalar\u0131, senkronizasyon problemleri veya hizmet kesintileri do\u011furabilir. Bu t&uuml;r sorunlar genellikle kullan\u0131c\u0131lar\u0131n sisteme giri\u015f yapamamas\u0131, grup ilkelerinin uygulanmamas\u0131 veya kaynaklara eri\u015fim sorunlar\u0131 gibi semptomlarla ortaya &ccedil;\u0131kar.<\/p>\r\n<p data-selectable-paragraph=\"\">\u0130\u015fte tam bu noktada, sistem y&ouml;neticilerinin ellerindeki en g&uuml;&ccedil;l&uuml; ara&ccedil;lardan biri olan&nbsp;<strong>dcdiag<\/strong><strong>&nbsp;(Domain Controller Diagnostic)<\/strong>&nbsp;devreye girer.&nbsp;<code>dcdiag<\/code>, bir veya birden fazla Domain Controller&rsquo;\u0131n (DC) sa\u011fl\u0131k durumunu test eder; replikasyon, DNS, FSMO rolleri, NetLogon ve KDC gibi kritik hizmetleri denetler.<\/p>\r\n<p data-selectable-paragraph=\"\"><code>dcdiag<\/code>, Microsoft taraf\u0131ndan sa\u011flanan bir tan\u0131lama arac\u0131d\u0131r. AD Domain Controller&rsquo;lar\u0131n\u0131n (DC) genel durumunu test eder, &ccedil;o\u011faltma, FSMO rolleri, hizmetlerin &ccedil;al\u0131\u015f\u0131p &ccedil;al\u0131\u015fmad\u0131\u011f\u0131 gibi bir&ccedil;ok testi otomatik olarak ger&ccedil;ekle\u015ftirir.<\/p>\r\n<p data-selectable-paragraph=\"\">Bu yaz\u0131n\u0131n amac\u0131,&nbsp;<code>dcdiag<\/code>&nbsp;komutunun t&uuml;m parametrelerini &ouml;rneklerle a&ccedil;\u0131klayarak hem yeni ba\u015flayan sistem y&ouml;neticilerine rehberlik etmek hem de deneyimli profesyonellere pratik senaryolar sunmakt\u0131r. Ayr\u0131ca, test sonu&ccedil;lar\u0131n\u0131 analiz etmek ve d&uuml;zeltici &ouml;nlemler almak i&ccedil;in dikkat edilmesi gereken p&uuml;f noktalar\u0131 da payla\u015faca\u011f\u0131z.<\/p>\r\n<p data-selectable-paragraph=\"\">Komutun temel kullan\u0131m\u0131:<\/p>\r\n<pre><span data-selectable-paragraph=\"\">dcdiag<\/span><\/pre>\r\n<p data-selectable-paragraph=\"\">Bu komut &ccedil;al\u0131\u015ft\u0131r\u0131ld\u0131\u011f\u0131nda, ba\u011fl\u0131 olunan DC &uuml;zerinde varsay\u0131lan testler uygulan\u0131r ve sa\u011fl\u0131k durumu hakk\u0131nda &ouml;zet bir rapor sunulur.<\/p>\r\n<p data-selectable-paragraph=\"\">\ud83d\udd0d DCDIAG Komut Parametreleri ve A&ccedil;\u0131klamalar\u0131<\/p>\r\n<ol>\r\n<li data-selectable-paragraph=\"\"><strong>\/s:<\/strong><\/li>\r\n<\/ol>\r\n<p data-selectable-paragraph=\"\">Belirli bir Domain Controller&rsquo;a sa\u011fl\u0131k testi uygular.<\/p>\r\n<pre><span data-selectable-paragraph=\"\">dcdiag \/s:DC01<\/span><\/pre>\r\n<p data-selectable-paragraph=\"\">Sadece&nbsp;<code>DC01<\/code>&nbsp;ad\u0131ndaki sunucu &uuml;zerinde test yapar.<\/p>\r\n<p data-selectable-paragraph=\"\">2.&nbsp;<strong>\/n:<\/strong><\/p>\r\n<p data-selectable-paragraph=\"\">Belirli bir etki alan\u0131 (domain) i&ccedil;in test yap\u0131lmas\u0131n\u0131 sa\u011flar.<\/p>\r\n<pre><span data-selectable-paragraph=\"\">dcdiag \/n:contoso.com<\/span><\/pre>\r\n<p data-selectable-paragraph=\"\">contoso.com domain&rsquo;ine ba\u011fl\u0131 t&uuml;m DC&rsquo;ler test edilir.<\/p>\r\n<p data-selectable-paragraph=\"\">3.&nbsp;<strong>\/a<\/strong><\/p>\r\n<p data-selectable-paragraph=\"\">Etki alan\u0131ndaki&nbsp;<strong>t&uuml;m<\/strong>&nbsp;domain controller&rsquo;lar\u0131 test eder.<\/p>\r\n<pre><span data-selectable-paragraph=\"\">dcdiag \/a<\/span><\/pre>\r\n<p data-selectable-paragraph=\"\">Ormandaki t&uuml;m DC&rsquo;ler analiz edilir. Zaman alabilir.<\/p>\r\n<p data-selectable-paragraph=\"\">4.&nbsp;<strong>\/e<\/strong><\/p>\r\n<p data-selectable-paragraph=\"\"><strong>T&uuml;m ormandaki<\/strong>&nbsp;DC&rsquo;leri test eder.<\/p>\r\n<pre><span data-selectable-paragraph=\"\">dcdiag \/e<\/span><\/pre>\r\n<p data-selectable-paragraph=\"\">Forest i&ccedil;indeki t&uuml;m domain&rsquo;lerdeki t&uuml;m DC&rsquo;ler test edilir. B&uuml;y&uuml;k yap\u0131larda dikkatli kullan\u0131lmal\u0131d\u0131r.<\/p>\r\n<p data-selectable-paragraph=\"\">5.&nbsp;<strong>\/f:<\/strong><\/p>\r\n<p data-selectable-paragraph=\"\">&Ccedil;\u0131kt\u0131y\u0131 bir dosyaya y&ouml;nlendirir.<\/p>\r\n<pre><span data-selectable-paragraph=\"\">dcdiag \/f:C:\\dcdiag_log.txt<\/span><\/pre>\r\n<p data-selectable-paragraph=\"\">T&uuml;m &ccedil;\u0131kt\u0131 belirtilen dosyaya kaydedilir.<\/p>\r\n<p data-selectable-paragraph=\"\">6.&nbsp;<strong>\/v<\/strong><\/p>\r\n<p data-selectable-paragraph=\"\">Detayl\u0131 (verbose) &ccedil;\u0131kt\u0131 sa\u011flar.<\/p>\r\n<pre><span data-selectable-paragraph=\"\">dcdiag \/v<\/span><\/pre>\r\n<p data-selectable-paragraph=\"\">Geli\u015fmi\u015f hata ay\u0131klama i&ccedil;in detayl\u0131 rapor verir.<\/p>\r\n<p data-selectable-paragraph=\"\">7.&nbsp;<strong>\/c<\/strong><\/p>\r\n<p data-selectable-paragraph=\"\">Kapsaml\u0131 testleri &ccedil;al\u0131\u015ft\u0131r\u0131r. Varsay\u0131lan baz\u0131 testlerin d\u0131\u015f\u0131nda kalanlar\u0131 da dahil eder.<\/p>\r\n<pre><span data-selectable-paragraph=\"\">dcdiag \/c<\/span><\/pre>\r\n<p data-selectable-paragraph=\"\">&Ouml;zellikle ilk kurulum ve sorun giderme a\u015famas\u0131nda kullan\u0131\u015fl\u0131d\u0131r.<\/p>\r\n<p data-selectable-paragraph=\"\">8.&nbsp;<strong>\/q<\/strong><\/p>\r\n<p data-selectable-paragraph=\"\">Yaln\u0131zca ba\u015far\u0131s\u0131z testleri g&ouml;sterir.<\/p>\r\n<pre><span data-selectable-paragraph=\"\">dcdiag \/q<\/span><\/pre>\r\n<p data-selectable-paragraph=\"\">Sadece hata olan k\u0131s\u0131mlar\u0131 listeler, temiz &ccedil;\u0131kt\u0131 isteyenler i&ccedil;in idealdir.<\/p>\r\n<p data-selectable-paragraph=\"\">9.&nbsp;<strong>\/fix<\/strong><\/p>\r\n<p data-selectable-paragraph=\"\">Tespit edilen baz\u0131 hatalar\u0131 d&uuml;zeltmeye &ccedil;al\u0131\u015f\u0131r (s\u0131n\u0131rl\u0131 d&uuml;zeyde). S\u0131kl\u0131kla kullan\u0131lmaz.<\/p>\r\n<pre><span data-selectable-paragraph=\"\">dcdiag \/fix<\/span><\/pre>\r\n<h1 data-selectable-paragraph=\"\">10. \/test:<\/h1>\r\n<p data-selectable-paragraph=\"\">Belirli bir testi &ccedil;al\u0131\u015ft\u0131r\u0131r. &Ouml;rnek test isimleri:<\/p>\r\n<ul>\r\n<li data-selectable-paragraph=\"\"><code>Connectivity<\/code><\/li>\r\n<li data-selectable-paragraph=\"\"><code>DNS<\/code><\/li>\r\n<li data-selectable-paragraph=\"\"><code>Advertising<\/code><\/li>\r\n<li data-selectable-paragraph=\"\"><code>Replication<\/code><\/li>\r\n<li data-selectable-paragraph=\"\"><code>NetLogons<\/code><\/li>\r\n<li data-selectable-paragraph=\"\"><code>Services<\/code><\/li>\r\n<\/ul>\r\n<pre><span data-selectable-paragraph=\"\">dcdiag \/test:DNS<\/span><\/pre>\r\n<p data-selectable-paragraph=\"\">Yaln\u0131zca DNS ile ilgili sa\u011fl\u0131k testlerini &ccedil;al\u0131\u015ft\u0131r\u0131r.<\/p>\r\n<p data-selectable-paragraph=\"\">11.&nbsp;<strong>\/skip:<\/strong><\/p>\r\n<p data-selectable-paragraph=\"\">Belirtilen testi atlar.<\/p>\r\n<pre><span data-selectable-paragraph=\"\">dcdiag \/skip:SysVolCheck<\/span><\/pre>\r\n<p data-selectable-paragraph=\"\">12.&nbsp;<strong>\/ReplSource:<\/strong><\/p>\r\n<p data-selectable-paragraph=\"\">Replication testinde sadece belirtilen kaynak DC&rsquo;yi dikkate al\u0131r.<\/p>\r\n<pre><span data-selectable-paragraph=\"\">dcdiag \/test:replications \/ReplSource:DC02<\/span><\/pre>\r\n<h1 data-selectable-paragraph=\"\">\ud83d\udcd8 &Ouml;rnek Senaryo<\/h1>\r\n<p data-selectable-paragraph=\"\">Birden fazla domain controller&rsquo;a sahip bir yap\u0131da DNS, replication ve hizmetlerin kontrol&uuml; i&ccedil;in a\u015fa\u011f\u0131daki komut kullan\u0131labilir:<\/p>\r\n<pre><span data-selectable-paragraph=\"\">dcdiag \/e \/v \/c \/f:C:\\Logs\\FullHealthCheck.txt<\/span><\/pre>\r\n<p data-selectable-paragraph=\"\">Bu komut:<\/p>\r\n<ul>\r\n<li data-selectable-paragraph=\"\">T&uuml;m forest &uuml;zerindeki DC&rsquo;leri kontrol eder.<\/li>\r\n<li data-selectable-paragraph=\"\">Detayl\u0131 &ccedil;\u0131kt\u0131 verir.<\/li>\r\n<li data-selectable-paragraph=\"\">Kapsaml\u0131 testleri &ccedil;al\u0131\u015ft\u0131r\u0131r.<\/li>\r\n<li data-selectable-paragraph=\"\">Sonu&ccedil;lar\u0131 log dosyas\u0131na yazar.<\/li>\r\n<\/ul>\r\n<h1 data-selectable-paragraph=\"\">\ud83d\udcc8 DCDIAG&rsquo;dan Al\u0131nabilecek Faydal\u0131 Test &Ouml;rnekleri<\/h1>\r\n<p data-selectable-paragraph=\"\"><strong>1. DNS Testi<\/strong><\/p>\r\n<pre><span data-selectable-paragraph=\"\">dcdiag \/test:DNS \/v<\/span><\/pre>\r\n<p data-selectable-paragraph=\"\">DNS altyap\u0131s\u0131ndaki sorunlar\u0131 detayl\u0131 analiz eder. &Ouml;zellikle dinamik kay\u0131tlar ve zone delegasyon problemleri burada yakalanabilir.<\/p>\r\n<p data-selectable-paragraph=\"\">2.&nbsp;<strong>Replication Testi<\/strong><\/p>\r\n<pre><span data-selectable-paragraph=\"\">dcdiag \/test:Replications<\/span><\/pre>\r\n<p data-selectable-paragraph=\"\">DC&rsquo;ler aras\u0131 replikasyon sorunlar\u0131 bu testle tespit edilir.<\/p>\r\n<p data-selectable-paragraph=\"\">3.&nbsp;<strong>Hizmetlerin Kontrol&uuml;<\/strong><\/p>\r\n<pre><span data-selectable-paragraph=\"\">dcdiag \/test:Services<\/span><\/pre>\r\n<p data-selectable-paragraph=\"\">NetLogon, KDC gibi kritik servislerin d&uuml;zg&uuml;n &ccedil;al\u0131\u015f\u0131p &ccedil;al\u0131\u015fmad\u0131\u011f\u0131n\u0131 kontrol eder.<\/p>\r\n<h1 data-selectable-paragraph=\"\">\ud83e\udde9 S\u0131k Kar\u015f\u0131la\u015f\u0131lan Hatalar ve Anlamlar\u0131<\/h1>\r\n<ul>\r\n<li data-selectable-paragraph=\"\"><strong>&ldquo;Advertising test failed&rdquo;<\/strong>&nbsp;&rarr; DC, kendisini uygun bir oturum a&ccedil;ma sunucusu olarak tan\u0131tam\u0131yor olabilir.<\/li>\r\n<li data-selectable-paragraph=\"\"><strong>&ldquo;DNS configuration is invalid&rdquo;<\/strong>&nbsp;&rarr; DNS yap\u0131land\u0131rmas\u0131 hatal\u0131 ya da eksik.<\/li>\r\n<li data-selectable-paragraph=\"\"><strong>&ldquo;Replication test failed&rdquo;<\/strong>&nbsp;&rarr; Di\u011fer DC&rsquo;lerle senkronizasyon problemi mevcut.<\/li>\r\n<\/ul>\r\n<p data-selectable-paragraph=\"\">Bu hatalar detayl\u0131 log incelenerek &ccedil;&ouml;z&uuml;lmelidir. Genellikle DNS yanl\u0131\u015f yap\u0131land\u0131rmalar\u0131, firewall blokajlar\u0131, zaman uyumsuzlu\u011fu (NTP) gibi nedenler &ouml;ne &ccedil;\u0131kar.<\/p>\r\n<p data-selectable-paragraph=\"\">\u2705&nbsp;<strong>SONU&Ccedil;: Sa\u011flam Bir Active Directory \u0130&ccedil;in Sa\u011fl\u0131kl\u0131 Bir DC<\/strong><\/p>\r\n<p data-selectable-paragraph=\"\"><code>dcdiag<\/code>, adeta bir doktor gibi davranarak Domain Controller&rsquo;lar\u0131n t&uuml;m ya\u015famsal fonksiyonlar\u0131n\u0131 kontrol eder. &Ouml;zellikle sistem y&ouml;neticileri i&ccedil;in:<\/p>\r\n<ul>\r\n<li data-selectable-paragraph=\"\">\u0130lk kurulum sonras\u0131nda kontrol sa\u011flamak,<\/li>\r\n<li data-selectable-paragraph=\"\">G&uuml;nl&uuml;k sa\u011fl\u0131k denetimlerinde tutarl\u0131l\u0131\u011f\u0131 s&uuml;rd&uuml;rmek,<\/li>\r\n<li data-selectable-paragraph=\"\">Replikasyon sorunlar\u0131n\u0131 erken fark etmek,<\/li>\r\n<li data-selectable-paragraph=\"\">Migration &ouml;ncesi sistem kararl\u0131l\u0131\u011f\u0131n\u0131 teyit etmek<\/li>\r\n<\/ul>\r\n<p data-selectable-paragraph=\"\">gibi pek &ccedil;ok kritik kullan\u0131m alan\u0131 sunar.<\/p>\r\n<p data-selectable-paragraph=\"\">Ancak&nbsp;<code>dcdiag<\/code>&nbsp;sadece bir ba\u015flang\u0131&ccedil;t\u0131r. &Uuml;retim ortamlar\u0131nda, bu &ccedil;\u0131kt\u0131lar\u0131 do\u011fru yorumlamak, di\u011fer tan\u0131lay\u0131c\u0131 komutlarla (&ouml;rne\u011fin&nbsp;<code>repadmin<\/code>,&nbsp;<code>nltest<\/code>,&nbsp;<code>netdiag<\/code>,&nbsp;<code>nslookup<\/code>) birle\u015ftirerek derinlemesine analiz yapmak da &ouml;nemlidir.<\/p>\r\n<p data-selectable-paragraph=\"\">Sonu&ccedil; olarak&nbsp;<code>dcdiag<\/code>, altyap\u0131n\u0131z\u0131n kalp at\u0131\u015flar\u0131n\u0131 duyman\u0131z\u0131 sa\u011flar. Bu komutu sadece bir sorun &ccedil;\u0131kt\u0131\u011f\u0131nda de\u011fil, d&uuml;zenli sa\u011fl\u0131k kontrolleri i&ccedil;in bir rutin haline getirmeniz, proaktif bir sistem y&ouml;netiminin temel ta\u015flar\u0131ndan biridir.<\/p>","excerpt":"Active Directory (AD), kurumsal a\u011f altyap\u0131lar\u0131n\u0131n merkezi y\u00f6netim bile\u015fenidir. Kullan\u0131c\u0131 kimlik do\u011frulama, kaynak eri\u015fim denetimi, grup...","created_at":"2025-06-09 23:20:11","updated_at":"2026-09-07 19:16:50","category_id":6,"view_count":1746,"reading_time":6,"status":"published","editor_choice":0,"is_editor_choice":0,"published_at":"2025-06-09 23:20:11","featured_image":"resimyok.jpg","slug":"dcdiag-komutu-active-directory-saglik-kontrolu","category_name":"Sistem","category_slug":"sistem","category_color":"#3b82f6"}]