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Get-ADDomainController, Get-ADUser, Get-ADComputer, Get-ADObject: A referral was returned from the server 1

When you are using Active Directory Powershell cmdlets such as Get-ADDomainController, Get-ADUser, Get-ADComputer, Get-ADObject, you may receive the following error message: Such an exception is linked to the difficulty those commands have to work in a multi-domain environment, whether that multi-domain be a single forest with multiple child domains, various […]


WMI filters to target sites and non Domain Controllers

Designing Group Policy Objects is sometimes tricky. Let’s review some useful WMI filters in Group Policy Objects for sites and domain controllers inclusion or exclusion. When linking Group Policy Objects, you are always bound to the LSDOU rule, which means that GPOs are processed in the following order: L for […]

WMI filter To select non domain controllers

Windows Internal Database Connection String Windows 2012R2 2016

How to connect to a Windows Internal Database WID such as WSUS

The Windows Internal Database is nothing more than an embedded lite SQL Server instance running under specific credentials and with a few protocols enabled. Therefore in order to connect, you can use any SQL Server client tool: SQL Server Management Studio, SQLCMD, … Starting with Windows Server 2012, the named […]


Publishing certificates in the Active Directory

Deploying certificates and CRL in a domain or a forest in an automated fashion can done using GPO like many other settings. However a less well-known possibility is to use the certutil -dspublish command. Let’s review how it works. When using that option, certificates are stored in one of the […]

ADSI Edit PKI tree

instmdb sql file excerpt

Storing sp_configure settings in a stored procedure

All SQL Server DBAS are familiar with sp_configure to change the instance global settings. However when you need to modify temporarily those settings from within your code, such as storing sp_configure settings in a stored procedure, the process can become awkward You need to store the configuration setting you change […]