Exclude One Computer from GPO
Exclude One Computer from GPO KB ID 0001852 Problem You have a requirement that you want one computer (or a group of computers) NOT to have a specific GPO applied. If that is the case, then this is how to simply achieve that goal Note: The same procedure can be used to Exclude a GPO from one user (or a group of users). Solution : Exclude One Computer from GPO Let’s find the computer in question, in my case it’s called PNL-ZERTO-2022,...
Considerations Before Upgrading Functional Levels
Upgrading Functional Levels KB ID 0001851 Problem For over twenty years, I’ve been involved with domain migrations, and I’ve had to upgrade both domain and forest functional levels thousands of times. I’ve also had to deal with many clients who were somewhat nervous when they knew that I was updating, their forest and the domain functional levels. I’m not sure if it’s just embedded in IT folklore that something horrible might happen,...
Find Specific GPO Settings
Find Specific GPO Settings KB ID 0001850 Problem To find Specific GPO Settings are being applied, and which GPO is affecting which setting, you can generate an html report, there are two ways of doing this. You can either run the report on the affected machine, or if you do not have access, you can generate the same report on a domain controller (or any machine that has the group Policy Management console installed). Solution: Find...
Edge Browser Bypass Blocked Certificate
Bypass Blocked Certificate KB ID 0001849 Problem I had to update the ‘self-signed’ certificate on my VMware vCenter today, but when I went to browse to it, I got this. Net:: ERR_CERT_AUTHORITY_INVALID Well yes of course I don’t trust the CA that issued this certificate it’s a self-signed certificate! So HOW DO I TRUST IT? Solution : Bypass Blocked Certificate The answer I didn’t believe when I read it –...
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...
Convert Certificates CER/CRT/PEM
Convert Certificates KB ID 0001847 Problem This post was written because of a follow up question in this article. How do you go about convert certificates? Sometimes you get a certificate issued or sent toy you that is in a format you cannot import, so you need to convert it. Regardless of whether you are a mac/Linux user or a Windows user, the tool that I find best to use is OpenSSL. OpenSSL is built into macOS to use OpenSSL on...
Digital Certificates Explained
Digital Certificates Explained KB ID 0001846 Problem From setting up PKI environments, to migrating them, and a myriad of errors and problems in between, we have a lot of content on PNL referring to digital certificates and PKI. I’ve dealt with these technologies a lot over the past 20+ years and I’m always surprised how frightened of digital certificates people are. So in the space of a few minutes I’ll try and give...
ERR_CERT_WEAK_SIGNATURE_ALGORITHM
ERR_CERT_WEAK_SIGNATURE_ALGORITHM KB ID 0001845 Problem Error seen when attempting to open a web page that’s been secured by https with a certificate. Your Connection isn’t private Attackers might be trying to steal your information from {host-name} (for example, passwords , messages or credit cards) Solution : ERR_CERT_WEAK_SIGNATURE_ALGORITHM I had not seen this error for a while, and I was surprised I was seeing it now. It’s...
ERR_CERT_COMMON_NAME_INVALID
ERR_CERT_COMMON_NAME_INVALID KB ID 0001844 Problem Error seen when attempting to open a web page that’s been secured by https with a certificate. Your Connection isn’t private Attackers might be trying to steal your information from {host-name} (for example, passwords , messages or credit cards). Solution : ERR_CERT_COMMON_NAME_INVALID This error confused me GREATLY because I generated that certificate, and I was pretty certain the...
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...