Clint Boessen's Blog

Because Exchange Server runs most of its configuration at an "Organisation Level" adding new Exchange Servers to an existing Exch...

The local administrator account resides on every Windows Server and is usually in an enabled state.  This account is a major security vulne...

A customer of mine was complained that when users attempted to download unknown file types, they received a "404 - File or directory n...

I was attempting to add a new DFSR node to an existing DFSR Replication Group consisting of 17 file servers.  When adding the server the fo...

Microsoft recently released an update which causes DFSRS.exe CPU usage to hit 100%. https://support.microsoft.com/en-us/kb/3156418 I wr...

I had an enterprise DFSR customer of mine with 17 File Server nodes complaining that CPU utilisation was at 100% on numerous DFSR nodes in ...

I encountered an interesting bug with Windows 7 workstations with Access Based Enumeration enabled on a SMB Share and DFS Namespace running...

A customer of Avantgarde Technologies was having issues with IMAP4 on Exchange 2013.  In Exchange 2013 the IMAP Role has changed and how h...

Modern Public Folders is a new feature introduced in Exchange 2013 and also available in Exchange 2016 to allow companies to leverage Datab...

Delivery Restrictions is a feature of Exchange Server which has been around since Exchange 2000 and allows companies to easily limit who ca...

In Exchange 2016 CU2, Microsoft has released a new feature which has been a request of mine since the release of Exchange Database Availabi...

During my career in the IT Industry, I see many small business entities purchase cheap consumer grade hardware from a local computer store ...

Currently with Exchange 2013 CU12 and Exchange 2016 CU1, it is not supported to install .NET Framework 4.6.1 as it causes issues databases ...

A customer was having an issue where Windows 7 computers randomly rebooted during the day for Windows Updates without providing a prompt fo...

Trying to perform a simple task of installing Windows 7 x64 Enterprise with Service Pack 1 on some virtual machines in my lab to test a pro...

A customer contacted me mid-February complaining of significant performance issues with Microsoft Word 2013 SP1 (32bit).  When users copied...

In this blog post I will show you a quick way to search through large amounts of Real Time Blacklists logs on an Exchange Server.  This art...

Today I stumbled across a bug with Windows 8.1 / 2012 R2 with the Group Policy setting: User Configuration ->Policies -> Administra...

I came across an interesting error today when attempting to move a security group to a new location in Active Directory. Windows cannot m...

Back in 2009 I published a very popular article "The Low-Down on Password Policies" which has been viewed by thousands of IT Prof...

I was contracted to redesign a companies AD Sites and Services Topology - it was never setup correctly and despite being a 500 user organi...

A customer contacted me today asking why when they promoted all these domain controllers, they had old DNS forwarders automatically configu...

Windows Server 2012 R2 has a new feature which I can see very handy in the real world especially with VDI environments which have lots of V...

Physical to Virtual Migration has been around for a long time ever since companies started making the transition to Virtualisation as a sta...

I just want to touch against a feature in Windows Server 2008 R2 - 2012 which I believe is very cool.  Windows Event Viewer has the ability...

When running a DCDiag on 2008 or 2008 R2 domain controllers, it is very common to see the following error when running a dcdiag.exe. Star...

A customer of mine contacted me today regarding an EventID 4027 from MSExchange ADAccess they wanted resolved.  This error was being genera...