The ramblings of a computer geek
Microsoft Windows 2016 does not support the newer encryption ciphers used by default by EJBCA (AES256-SHA256), therefore we need to generate a version of the certificate using the earlier encryption cipher type, i.e. TripleDES-SHA1 which is what is supported by the earlier version of Microsoft Windows, namely Server 2016. Check Encryption Ciphers Used Firstly get … Read more
Investigation into the loss of Rich Hybrid features for on-premise mailbox users, from around the beginning of November 2025. Exchange Version Says we need Exchange Server 2016 CU23 with April 2025 HU 15.1.2507.55, we are currently running 15.1.2507.58, so a later version than the minimum requirement, thus we are good on this version. Identified Issue … Read more
A simple VPC deployment pattern which includes a simple configuration that has been tested and can be used to build a new infrastructure from. It uses Terraform and uses local state storage (within a directory called “state_data”), for production uses it is mandated to use some form of remote state storage. The pattern within the … Read more
Need a HTTP server quickly on your local machine to test something, using Python (3) you can do the following: Now your web server is available at localhost (firewall permitting). Anything within the working directory you run the command is made web accessible.
The document provides a simple guide to how to install and use the Microsoft Exchange Online PowerShell modules to interact with Microsoft 365 infrastructure for the purposes of administering the Microsoft 365 infrastructure and applications; i.e. how to setup your Developer Machine. You may be able to install modules without administrative rights by adding the … Read more
The document provides a simple guide to how to install and use the Microsoft Graph and Microsoft Exchange Online PowerShell modules to interact with Microsoft 365 infrastructure for the purposes of administering the Microsoft 365 infrastructure and applications; i.e. how to setup your Developer Machine. You may be able to install modules without administrative rights … Read more
The PowerShell profile, much like the profile within a Linux Shell session allows you to add/change things about the session when it starts. Find Profile Location By default your profile is stored within your user’s home directory on your Windows workstation, you can find where it is or where it might be by running: Create … Read more
Late to the game, but here’s how you do it. To manage the on-premise Exchange Servers from your workstation, you can use the following procedure to setup these tools for use on your workstation. 1. You will need to install Microsoft Visual C++ 2012 Redistributable (x64): https://www.microsoft.com/download/details.aspx?id=30679 2. Then install these Windows Optional Features: Reboot machine, … Read more
A weird one that we came across today, around how InfoBlox handles a record in a parent zone which is named in such a way that it falls within scope of a subzone, then you later “cut” the zone by formally creating the subzone (i.e. delegating); in our case these records just disappear. i.e. they … Read more
An unexpected change in behaviour was observed in terms of the interlink ports 57,65. The default beheaviour of the ports on previous software version: 22.6.1.4 was that being they are QSFP (40Gbit) ports that they operated at 40Gbit being that the QSFP DAC cable was 40Gbit, i.e. there was no specific port configuration for the … Read more