troubleshooting


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

Install-Module fails with Source Location https://www.powershellgallery.com/api/v2/package/xxx is not valid

The use of Install-Module and Update-Module has become a routine task for many Powershell administrators these days. Lately if you applied those commands, you may have received warnings and errors even from well-known sources. Messages include: If you look at the resource or the web site, the package stills exists […]


Firefox displays SSL Error: SEC_ERROR_INADEQUATE_KEY_USAGE when using self-signed certificate

When using self-signed certificates, and accessing your web contents with the Firefox browser, you may get a strange error message SEC_ERROR_INADEQUATE_KEY_USAGE This may happen in self hosted instances of YunoHost for example. Whereas the contents is properly displayed in all other browsers, you cannot add any exception in Firefox and […]


visual studio community 2017 web page screenshot

Trial period reset of Visual Studio Community Edition 9

Although Visual Studio Community Edition is supposed to be free, you are required after 30 days by the graphical interface to have an account on Microsoft’s online services to continue to use the product. The trial period reset of Visual Studio Community Edition can however be easily achieved by editing […]


Free Disk space on Windows drive

Starting with Windows 2012 (R2), it is no longer necessary to install the desktop experience to remove the different file versions left update after update. The following command can be used:

Options used here are: StartComponentCleanup: removes superseded and unused system files from a system ResetBase: all superseded versions […]


Install Flash Player on Windows Server 2016

When you’re dealing with some legacy software, such as the vSphere web client version 5.x and you’re accessing it from a Windows Server OS, You may need to install Flash Player on Windows Server 2016 for Internet Explorer. If you run a search through Google, Bing, or Qwant, you may […]


Windows 2016 Remote Desktop cannot verify the identity

When connecting using RDP to a Windows 2016 server, you may receive an error message which seems clueless to you: Windows 2016 Remote Desktop cannot verify the identity of the remote computer because there is a time or date difference between your computer and the remote computer. When you manage […]