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Channel: Active Directory – Jacques Dalbera's IT world
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Authentications failures with Office 365 / ADFS accounts lockouts and...

Possible causes of O365 authentications failures: https://blogs.technet.microsoft.com/abizerh/2015/06/01/possible-causes-of-authentications-failures-for-federated-users-in-office-365/ ADFS account...

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AD – Securing Domain Controllers / hardening Windows domain and computers

Reference articles to secure a Windows domain: https://github.com/PaulSec/awesome-windows-domain-hardening Microsoft audit Policy settings and recommendations:...

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Azure AD Resources

Domains FAQ: https://docs.microsoft.com/en-us/office365/admin/setup/domains-faq Domain take over: https://docs.microsoft.com/en-us/azure/active-directory/users-groups-roles/domains-admin-takeover Azure...

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Azure and Office365 resources

Here are resources about Azure and Office365, let me summarize: Office365 : is an offer of MS services and hosted applications – Saas ; in clear you pay for a service (sharepoint,exchange,office…) and...

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AzureAD – Staged rollout

This feature allows you to migrate from federated authentication to cloud authentication by using a staged approach: Moving away from federated authentication has implications. For example, if you have...

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AzureAD – comparing authentication methods

How to choose between authn methods: https://docs.microsoft.com/en-us/azure/security/fundamentals/choose-ad-authn#comparing-methods      

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Azure AD – Securing Identity platform

Reference article: https://docs.microsoft.com/en-us/azure/security/fundamentals/steps-secure-identity Doc to disable the user consent:...

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ADFS 2016 – Extranet Smart Lockout protection

How to: before to configure ADFS smart lockout, remove your account from AD protected users group, else you can get access denied...

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Authentication Silos and policies

Reference: To use Authenticated silos, you need a 2012 R2 Domain functional level on the forest. Their are part of the configuration partition (so, at the forest level), replicated on all domain...

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Hacking and Securing Active Directory

Hacking techniques for AD: “state of the art” (but scary!) with possible mitigation (when possible) + a few new methods…...

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Troubleshooting Account locked out; EventID 4740,4625,4771

Troubleshooting Account Lockouts has become an IT admin routine nowadays; You can find more possible root causes in our Account Lockout Troubleshooting Guide –...

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Azure AD Resources

Azure AD availability: https://azure.microsoft.com/en-us/blog/advancing-azure-active-directory-availability/ Azure AD blog:...

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How to deploy latest Windows GPO ?

The Central Store. To take advantage of the benefits of .admx files, you must create a Central Store in the SYSVOL folder on a Windows domain controller. The Central Store is a file location that is...

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PowerShell – DNS – Create conditional forwarder zone

Best practices for DNS forwarding: https://docs.microsoft.com/en-us/previous-versions/windows/it-pro/windows-server-2008-R2-and-2008/cc754941%28v%3dws.10%29...

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Azure and Office365 resources

Here are resources about Azure and Office365, let me summarize: Office365 : is an offer of MS services and hosted applications – Saas ; in clear you pay for a service (sharepoint,exchange,office…) and...

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msExchRecipientTypeDetails

Integrating an on-premise Active Directory and Exchange organization with Microsoft Cloud Services will require attention to new elements and details. As an example the list of object attributes in the...

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GPO ADMX repository

https://getadmx.com/  

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Security baseline for Windows Operating system

Security baseline reference article: Download the latest version: https://www.microsoft.com/en-us/download/details.aspx?id=55319 Introduction: Download the content. As usual, the content includes GPO...

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ADFS – Troubleshooting claims

https://docs.microsoft.com/en-us/windows-server/identity/ad-fs/troubleshooting/ad-fs-tshoot-claims-issuance...

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The Machine SID Duplication Myth (and Why Sysprep Matters)

The Machine SID Duplication Myth (and Why Sysprep Matters) – Microsoft Tech Community other articles: [SOLVED] Same SID on domain computers? psgetsid question. – Active Directory & GPO – Spiceworks

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