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 Solution Note: The this won’t affect users who are subject to MFA (Multi Factor Authentication,) so this can be enabled to solve this problem. On the affected machine, run regedit and...
Outlook: ‘Exchange Administrator has Made a Change That Requires You Quit’
KB ID 0001372 Problem Last week I had a client report that ‘some’ of his users were getting this popup repeatedly, every time they launched Outlook. The Microsoft Exchange administrator has made a change that requires you quit and restart Outlook This popup is usually seen during migrations, when mailboxes are being migrated, (or have just been migrated.) But you should only ever see it once. Solution I had recently...
Microsoft Outlook: Creating a New Profile
KB ID 0001371 Problem There are times when a problem with your Outlook profile can manifest itself in many ‘annoying’ ways. Sometimes the simplest thing to do is to put your Outlook profile to one side, and create a fresh new one. Solution Ensure Outlook is closed, open Control Panel > Set the view to ‘Small icons’ > Mail > Show Profiles. Add > Give the new profile a sensible name > OK. Configure...
Exchange AutoDiscover Errors – Creating an AutoDiscover SRV Record
KB ID 0001184 Dtd 12/07/17 Problem Ages ago I wrote the following article; Outlook Error “The name of the security certificate is invalid or does not match the name of the site.” You used to see this error a lot if your internal, and external domain names were different, and the ‘public’ domain name was on the certificate, in those cases I’d also setup split DNS like so; Windows – Setting Up Split DNS But you can...
Outlook – Constantly Prompts for a Password
KB ID 0001227 Dtd 05/08/16 Problem I did an Exchange 2010 to 2016 Migration for a school this week. They are going to reimage all their PCs to Windows 10 and install Office 2016 over the summer holidays. But a few staff members were working over the holidays and needed their Win7/Outlook 2010 clients pointing to the new Exchange server. This I did (I simply created new mail profiles and let auto discover do its work). But then the...
Outlook Error “The name of the security certificate is invalid or does not match the name of the site.”
KB ID 0000036 Dtd 02/08/16 Problem Seen in Outlook when connecting to a mailbox on an Exchange Server, its caused by using a self signed certificate OR a purchased certificate, where the internal and external names are different. Solution Before proceeding if you have an A or CNAME record in your DNS for autodiscover then DELETE it and setup an SRV record! Exchange AutoDiscover Errors – Creating an AutoDiscover SRV Record 1. On the...