troubleshooting


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

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Options used here are: StartComponentCleanup: removes superseded and unused system files from a system ResetBase: all superseded versions […]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


Error 1753: no more endpoints in AD Replication

When you see Error 1753: no more endpoints in AD Replication,¬† the common mistake is to think about firewall or TCP/IP connectivity issues. The message “Error 1753: There are no more endpoints available from the endpoint mapper” does not mean that you cannot connect at all. It is quite the […]

RPC process diagram

How to have a member server stick to one specific domain controller?

In case of troubleshooting or temporary issue, you may want to be sure that a given member server always authenticate against one specific domain controller. For this, you may want to combine two tools: The “time-to-live” (TTL) value for the validity of the discovered domain controller The ability to specifically […]