Clint Boessen's Blog

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...

Microsoft recently released a bad Windows Update (KB3114409) which caused Outlook 2010 to start loading in safe mode for multiple clients o...

I'm running Windows 10 with Visio 2016 (both x64 builds).  I needed to draw out the topology from a customers Active Directory domain h...

A customer of mine raised an issue in regards network drives not being mapped for users.  This includes drives mapped via Group Policy and ...

Are your packets being dropped by Windows Firewall?  Want an insight into what is going on?  Simply open local group policy on a workstatio...

A customer complained that POP3 was no longer working.  After looking into this, it turned out that PopProxy was Inactive on the Exchange 2...

A customer of mine upgraded an Exchange 2013 cluster node from Exchange 2013 CU7 to Exchange 2010 CU10.  After the upgrade, emails failed t...

A customer of mine went upgraded one node of a two node DAG from Exchange 2013 CU7 to Exchange 2013 CU10.  After installing the update on t...

A customer running Exchange 2010 experienced a large number of spam emails in the submission queue (over 80,000). All the Spam Emails ...

When a Websense v5000 or v10000 appliance is forcefully shutdown due to power loss or hard system failure, upon restart the Filtering servi...