On more than one occasion, I've been remote to a machine and needed to pull the service tag.  Dell has a mechanism on their site which can get that information for you but I seem to recall it only works when you're physically on the machine and not accessing it through an RDP connection.

Since I access almost every machine while being remote, you can see how that poses a problem.

Read more: Dell Service Tag Remote Lookup

While attempting to restore files from an NTBackup .bkf file, you might find a reference to the Windows NT Backup Restore Utility for Windows 2008 Server and not Windows 2008 Server R2.  If attempting to install the former, you'll be greeted with an error which basically states you need to add the feature "Removable Storage Manager" but you are unable to locate this feature. 

Read more: Restoring .BKF Files on Windows Server 2008 R2

Seems I've encountered this issue several times over the last few weeks with Windows Server 2012.  I attempt to install updates and the progress bar will hang, essentially stalling out.  I cancel, I restart but I end up in the same place.

When I first saw this issue, I read something about setting updates to install automatically in the middle of the night which managed to get the updates installed but it doesn't actually solve the problem.

Read more: Windows Update error 0x800F081F

I frequently use the command line for authenticating into various resources and every so often you get the following error:

"Multiple connections to a server or shared resource by the same user, using more than one user name, are not allowed"

Read more: Multiple Connections Issue

While attempting to install .NET Framework 3.5 from Add Roles and Features fails with the error:  "The source files could not be found".  Attempting to install from the .NET 3.5 Framework install fails pointing you back to Add Roles and Features.

Read more: .NET Framework 3.5 feature install fails on Windows Server 2012

You login to a server to do some work and you are greeted by the dreaded Windows Update countdown timer.  It seems like it's picked the most inconvenient time of day when in actuality, it won't restart when the computer is locked and now that you've unlocked it, it's counting down.

Read more: Stop a Pending Windows Update Restart