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TQA: Add-ClusterVirtualMachineRole fails with the error "The File Exists"

TQA: Add-ClusterVirtualMachineRole fails with the error “The File Exists”

This time I was involved to identify a problem that stuck all the DR tests in a large enterprise, let me show you a description of the environment. ENVIRONMENT The Customer have a Production Hyper-V Farm (multiple HV clusters) on ... continue reading
Step-By-Step: Implementing Azure AD Password Protection On-Premises

Step-By-Step: Implementing Azure AD Password Protection On-Premises

I travel a lot in Italy, and many times I see multiple customers that are asking for the same requests. One request is the possibility to block some specific passwords in Active Directory. Unfortunately too many users have BAD habits ... continue reading
Tough Questions Answered: Can I disable RC4 Etype for Kerberos on Windows 10?

Tough Questions Answered: Can I disable RC4 Etype for Kerberos on Windows 10?

Today I want to share with you a direct experience from the field. One customer received from the security team the request to disable the RC4 ETYPE (Encryption Type) for Kerberos for the windows 10 Clients, so the support team ... continue reading
Tough Questions Answered: How to add multiple values to a GPO with a listbox.

Tough Questions Answered: How to add multiple values to a GPO with a listbox.

Recently I have received a support request from a Customer that need to add multiple value to a GPO. Lets dive into the details. ENVIRONMENT The customer installed a new third party application is his client environment (Windows 10), this ... continue reading
Tough Questions Answered: Addressing Account Lockout via Adjusting Lockout Threshold in ADFS

Tough Questions Answered: Addressing Account Lockout via Adjusting Lockout Threshold in ADFS

This time I was involved in a root cause analysis on a customer site after a brute force attack vs some ADFS endpoints. Let me give you an overview of the infrastructure. ENVIRONMENT DESCRIPTION The customer environment is very huge ... continue reading
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Tough Questions Answered: How to Move a Physical SQL Always-On Cluster to Different Hardware

Recently I was involved in a troubleshooting on a SQL Always-On failover cluster on a Windows Server 2012R2, and let me say… ”A SPECIAL ALWAYS ON CLUSTER!” PROBLEM DESCRIPTION The customer has a branch office in a remote site, with ... continue reading
Tough Questions Answered: How to use more than 64 Logical Processors on a Single Windows Server

Tough Questions Answered: How to use more than 64 Logical Processors on a Single Windows Server

Recently I was involved in a troubleshooting case about the maximum number of logical processor used by a specific application, running on Windows Server 2008 R2, let me give you some data. ENVIRONMENT: OS: Windows Server 2008 R2 Server model: ... continue reading