C0090016 Error
C0090016 Error KB ID 0001848 Problem C0090016 Error usually seen after a motherboard has been changed. when attempting to open an office 365 application, or something that requires Entra ID authentication. Something went wrong. Your computers Trusted Platform Module has malfunctioned. If this error persists, contact your system administrator with the error code C0090016. Error Code: C0090016 Server Message: Unknown Error Code...
0x800094801 Certificate Issue Error
0x800094801 KB ID 0001843 Problem Whilst attempting to get a certificate from a Windows server running certificate services, I got the following error: The request contains no certificate template information. 0x80094801 (-2146875391 CERTSRV_E_NO_CERT_TYPE) Denied by policy module 0x80094801, The request does not contain a certificate template extension or the Certificate Template request attribute. Solution 0x800094801 Error Well...
RDP Black Screen
RDP Black Screen KB ID 0001840 Problem This problem has jumped up through various iterations of Windows operating systems. You attempt to RDP to a machine; it connects but you simply get a black screen. RDP Black Screen Solution Over the years various ‘hotfixes’ were known to cause this, but before proceeding make sure both the machine you are connecting FROM and the machine you are connected TO are fully patched and...
Disabling IPv6
Disabling IPv6 KB ID 0001832 Problem Stop! Why do you want to disable IPv6? I see this regularly in forums, with other unusual statements like “If you’re not using it disabling it” or “It’s just another attack vector, disable it.” Well unless you’re running Windows XP and Server 2012 you’re using IPv6. If something does not work and disabling IPv6 fixes it, then it’s usually...
Windows Remote VPN no DNS
VPN no DNS KB ID 0001402 Problem I’ve been setting up a VPN solution on the test bench as I’m looking at Always On VPN. When I noticed that I had a problem with my remote VPN connections on Windows. They would connect fine but I could not resolve any FQDNs for my domain? VPN no DNS Solution By default, all (Windows) VPN connections are ‘Force Tunnel’ (this means they have the option ‘Use default gateway...
Manually Update Windows Trusted Root Certificates
Manually Update Windows Trusted Root Certificates KB ID 0001831 Problem These days your trusted root certificates are simply updated with Windows Update, but what if your servers have no internet access? In this example I will manually update the root certs by downloading them on a machine WITH internet access then importing on another machine that has not. Bear in mind: If none of your machines have internet access they cannot check...