# https://www.talkingbytes.co.uk

> TalkingBytes is an independent technology blog covering Microsoft 365, enterprise security, networking, and systems administration.


## Posts

- [Monitoring Windows SecureBoot Certificates](https://www.talkingbytes.co.uk/microsoft365/securebootcertificates/): My guide on Microsoft Intune Patch Management and monitoring the Secure Boot Certificate status within your environment
- [SPF Records and SPF Tool pitfalls](https://www.talkingbytes.co.uk/email-security/spfrecordnullvalue/): Troubleshooting SPF issues with SPF Record Null Value
- [How to renew Apple Push Notification Service Certificate - Microsoft MDM](https://www.talkingbytes.co.uk/microsoft365/intunerenewapplepushcertificate/): How to renew Apple Push Notification Certificate in Microsoft Intune
- [Autopilot Machine Registration error 2169163](https://www.talkingbytes.co.uk/microsoft365/autopilot-machine-registration-fix-pending-error/): How to fix Autopilot error 2169163 Fix Pending
- [Cisco Port-Security](https://www.talkingbytes.co.uk/networking/cisco/cisco-port-security/): PortSecurity is a great feature to ensure users aren't plugging devices in where they shouldn't be. In this guide we'll discuss the setup
- [DNS Management in Microsoft 365: How to Migrate Without Downtime](https://www.talkingbytes.co.uk/microsoft365/migrate-dns-to-microsoft-365/): In this article we'll run through moving domains from 3rd party name servers to M365 for more reliable, easier DNS Management
- [Walkthrough guide on SPF, DKIM and DMARC](https://www.talkingbytes.co.uk/email-security/email-spam-protections-spf-dkim-dmarc/): Let us run through how SPF, DKIM and DMARC work and how they help to protect your business domains reputation.
- [Managing Notifications in Chrome and Microsoft Edge](https://www.talkingbytes.co.uk/other/managing-notifications-in-chrome-and-microsoft-edge/): Malware causing annoying notifications in your browsers? This article might be the answer!
- [Cable Testing From Cisco Switches](https://www.talkingbytes.co.uk/networking/cisco/cable-testing-from-cisco-switches/): Did you know Cisco switches have a cable testing feature?
- [Adding Local User accounts to administrators group](https://www.talkingbytes.co.uk/microsoft365/intuneuserlocaladmin/): Using Microsoft Endpoint Manager (Intune) to add local user accounts to administrators group.
- [Powershell script to create local user account on windows devices](https://www.talkingbytes.co.uk/powershell/script-to-create-local-user-account/): Microsoft Autopilot, and Windows 10/11 didn't used to create a local admin account by default. This script was created to automatically create this account and resolve this.
- [Catchall addresses in Microsoft Exchange Online](https://www.talkingbytes.co.uk/microsoft365/exchangecatchall/): Creating a CatchAll Mailbox via Microsoft Exchange Online (M365)
- [Managing Exchange Mailbox Rules via Powershell](https://www.talkingbytes.co.uk/microsoft365/managing-mailbox-rules-using-powershell/): Emails being delivered but not recieved by the user? Possibly a malicious actor has added a rule to delete these emails.
- [Powershell Snippets](https://www.talkingbytes.co.uk/powershell/powershell-snippets/): Just some powershell code blocks I'm always coming back for when writing scripts, Hopefully useful for others too.

## Pages

- [About TalkingBytes](https://www.talkingbytes.co.uk/about/): About TalkingBytes TalkingBytes is an independent technology blog focused on explaining complex IT topics in clear, practical terms. The site was created for IT professionals, administrators, and technically curious readers who want to understand how modern platforms actually work — not just what the documentation says they should do. Why TalkingBytes Exists Many enterprise technologies, particularly platforms like Microsoft 365, are powerful but difficult to understand in real‑world terms. Documentation often focuses on individual features without explaining how they fit together, and marketing material rarely covers the limitations or trade‑offs. TalkingBytes exists to bridge that gap. Articles here focus on: […]
- [Useful Links](https://www.talkingbytes.co.uk/useful-links/): Microsoft Certification Microsoft Learn – Certification Poster Microsoft Updates Release notes for Current Channel Security Sites Microsoft.com – Article on responding to an Email Compromise VirusTotal.com – Great site for checking URLS before unblocking in web filtering or releasing emails. TroubleShooting Microsoft Remote Connectivity Analyser – Tools to help you to troubleshoot email and other connectivity issues Microsoft 365 Portals Microsoft 365 has multiple portals, some of which I can’t find when I need them most so will include below Microsoft Defender Email Quarantine – Microsoft Defender Quarantine Microsoft Purview – (Previously Microsoft Compliance Portal) M365 Service Health O365 Web […]
- [DNSTools - A Powershell Module](https://www.talkingbytes.co.uk/dnstools/): DNSTools is a powershell module which which adds commands for querying MX, SPF and DMARC records easily.

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