Office 365: Enable User Password Reset
KB ID 0001551 Problem If you want to give your Office 365 users the ability to change and recover their passwords this is the procedure. Solution Open the ‘Azure Active Directory’ admin console. If you didn’t already know, Azure is what’s underpinning your Office 365 subscription, Select ‘Azure Active Directory’ > Password reset. I’m enabling for everyone, you can choose...
Outlook: Something Went Wrong Error 80090016
KB ID 0001549 Problem When attempting to open Outlook you see this error; Something went wrong Your computer’s Trusted Platform Module has malfunctioned. If this error persists, contact your system administrator with this error code 80090016 Note: The this won’t affect users who are subject to MFA (Multi Factor Authentication,) so this can be enabled to solve this problem. Solution One Code 80090016 On the affected...
Exchange 2019: Presenting Outlook Anywhere With WAP
KB ID 0001548 Problem Note: Applies to Exchange 2019, 2016, and 2013. This is pretty much PART TWO, of presenting ‘Exchange Web Services’ using Web Application Proxy. Back in PART ONE we looked at publishing OWA and ECP, and that required having an ADFS server. To present the other web services, e.g Outlook Anywhere, Exchange Active Sync, Offline address book etc. You don’t need ADFS, you simply use ‘pass...
Presenting Exchange 2019 With WAP and ADFS
KB ID 0001546 Problem I’ve used WAP (Web Application Proxy) to present Remote Desktop Services before, but never for Microsoft Exchange. It came up as a possible requirement for a client this week, so I thought I’ll work it out on the bench. here’s the topology; Exchange: Exchange 2019 Standard Server OS: Server 2019 Datacenter Solution – Step 1 Deploy ADFS If you are going to use ‘self signed’...
ADFS: Deploy Active Directory Federation Services
KB ID 0001140 Problem The actual configuration of ADFS depends largely on what you intend to do with it. Here I’m using it to broker connections from my Microsoft Web Application Proxy. This article is just to ‘join the dots’ and covers just the installation of the role itself. Solution Before you Start: Make sure you have a certificate ready to use for ADFS. I typically use a wildcard cert for this, it’s...
ADFS Test Page Error
KB ID 0001545 Problem I was setting up ADFS in Server 2019 today, and once I have all the basics setup, I like to got to, https://{server-fqdn}/adfs/ls/IdpInitiatedSignon to test, but this happened; The resource you are trying to access is not available. Contact your administrator for more information. Error details .Activity ID: 3c53140c-cff3-4b59-0900-0080010000d4 .Error details: MSIS7012: An error occurred while processing the...
Office 365: Stop One User Sending Attachments
KB ID 0001544 Problem If you have one, (or more) users and you want to BLOCK those users from sending ANY email attachments, here’s how to do it; Solution Log into your Office 365 tenancy with administrative access > Admin > Admin Centers > Exchange Admin > Mail Flow > Rules > Add > Filter Message By Size. Name: Give it a sensible name. Apply This Rule If: The message size is greater than or equal to = 1.00...
Cant Copy a Group Policy Object
KB ID 0001543 Problem Was asked this this morning, why couldn’t someone ‘Copy’ a Group Policy Object (GPO)? Solution At first I was confused, (I made the same mistake they had), look at what I’m trying to copy? It’s not a Group Policy Object, its a ‘Link’ to a GPO. (Note: There’s a shortcut arrow!’) Locate the actual GPO and you can copy it! Related Articles, References, Credits,...
Windows Adding Firewall Rules With PowerShell
KB ID 0001538 Problem There was a question on Experts Exchange this morning, the asker wanted to be able to add a ‘Trusted’ network range to their Windows Server Firewall settings as a ‘allow all ports’ rule. Solution You can of course add this manually in the GUI, normally I’d simply Add a Firewall Rule with a Group Policy. but the problem with that is, that’s fine if you want to open a particular...
You Have Exceeded the Maximum Number of Computer Accounts
KB ID 0001536 Problem A few weeks ago, this was asked in a forum, and while I knew what the problem was, I’d never seen it myself. So I recreated the problem on the test network to look at why it happened, and how to fix / get around the problem. The following error occurred attempting to join the domain {domain-name} You computer could not be joined to the domain, You have exceeded the maximum number of computer accounts you...