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Mass Converting Video Files changing Audio or Video Fromat
My family has a 12 volt projector that we take camping with us. It's a "KickAss 12V Portable Outdoor Cinema Projector" and we have issues playing certain media types of USB flash drives because the...
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Resetting Broken Default Exchange RBAC
I had a customer who needed re-created the default Exchange Groups under the "Microsoft Exchange Security Groups" organisational unit. This was done as someone had moved these groups to another...
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Troubleshooting Account Lockouts in Active Directory
In this post we will look into troubleshooting Account Lockouts in Active Directory. From my experience identifying the source of an Account Lockout can often be easy, or extremely difficult.When an...
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Third Party Transport Agents delaying Emails and Crashing the Transport...
I had a customer experiencing extensive delays receiving email through the Exchange Transport stack both for internal and external mail relay.When we ran the Get-Queue or Get-Message cmdlets, the...
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432 4.3.2 STOREDRV.Deliver recipient thread limit exceeded
I had an issue with an environment with a mixture of Exchange 2010 and Exchange 2016 servers. All mail to one of the Exchange 2010 servers was getting stuck in queue and not delivered.This is a very...
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Exchange Not Functional after installing Patches
We had an Exchange 2016 server running Exchange 2016 Cumulative Update 15 where as part of Windows Updates it rendered the server not functional. The update that we installed was the Security Update...
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SMTP Namespace Sharing - How it differs in the Cloud
When you enter Hybrid with Microsoft Office 365, you establish a concept called SMTP Namespace sharing to allow mailboxes in the cloud and on-premises to share the same address space such as...
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Configuring Centralized Transport with Office 365 Exchange Online
I was called in to assist a customer make changes to their Office 365 mail routing. The customer had a requirement to implement a Centralized Transport Model to ensure all email routes through...
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Hybrid Configuration Wizard unable to Validate Hybrid Agent for Exchange Use
When running a "Modern Exchange" Hybrid Deployment with deploying Hybrid Agents for a customer, we ran into an issue where the Hybrid Configuration Wizard (HCW) failed on "Validate Hybrid Agent for...
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Unable to Install Azure Powershell Module
I had an issue where i was unable to install the Azure PowerShell Module on Windows Server 2016. When attempting to install the module the following error was...
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Direct Access not working with Windows Firewall Enabled on Client
We had an interesting issue with Microsoft Direct Access on Windows 10 latest build 1909.When Windows Firewall is disabled, Direct Access works on the client.Enabling Windows Firewall on the client...
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Patching old Exchange 2013 or Exchange 2016 servers
When patching Exchange 2013 or Exchange 2016 from an old Cumulative Update version, it is common to need to hop through multiple versions of Exchange Server.For example, if your on Exchange CU11... to...
View ArticleBasic Authentication being Disabled in Exchange Online
On the 20th of September 2019, Microsoft announced they are turning of Basic Authentication across all protocols in Exchange Online apart from SMTP. Basic Authentication will be turned of on all web...
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Preparing Exchange Topology - PrepareAD, PrepareSchema, PrepareDomain etc
I'm about to sit the Exchange Upgrade Exam (MS-202: Microsoft 365 Messaging Administrator Certification Transition) on Friday and currently doing a last minute brush up. Having done all the...
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Exchange RBAC Example - Provide User access to manage Contacts
In June 2010, I wrote an article explaining how Exchange Role Based Access Control (RBAC) works - a new feature released with Exchange 2010. RBAC is still heavily utilised today with Exchange 2019 and...
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Unable to remove RDS Session Host
A customer had a failed RDS Session Host which needed to be removed from a cluster. We were not able to login to the failed host as it was blue screening and needed to be forcefully removed.Even using...
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Azure AD Seamless SSO - Prompts on Connecting to aadg.windows.net.nsatc.net
At a customer site when attempting to access the https://myapps.microsoft.com/companydomain.com portal to test Single Sign-on with Azure AD, we were constantly being prompted "Connecting to...
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Office 365 Tab not working in Exchange Admin Center
After running the Hybrid Configuration Wizard, the Office 365 tab doesn't work by default which catches out many people. The tab is found at the top of Exchange Admin Centre where it says "Enterprise"...
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Exchange 2010 and Exchange 2016 co-existance Free/Busy Issues
I have a lab environment containing Office 365, Exchange 2016 and Exchange 2010. Free busy is not working from O365 --> 2010 or Exchange 2016 --> 2010.The Autodiscover record points all EWS...
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Cisco Router messed up SMTP TLS with Office 365
Mail routing from Office 365 to an on-premise Exchange Server was working successfully.Mail flow from the on-premises Exchange Server to Office 365 was failing.Email in the queue was...
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