Lenovo ThinkPad Yoga Review

Posted by & filed under Hardware.

Thinkpad Yoga (Tent Mode)

I received the new Lenovo ThinkPad Yoga last week, and after spending the entire week using it as my main machine, I’m ready to let you know how it went. In the review, I use T420/T430 generically to denote references to previous generations also including X and W series. The ThinkPad Yoga is the 12.5″ business-class… Read more »

Exchange 2003 and Authenticated User Relay Spam

Posted by & filed under Exchange Server.

Exchange 2003 is a good target for spammers since it is very widely used (still) and has a history of installations with less than ideal security. In addition to the typical email-turned-spam server scenarios (open relay, security holes, NDRs), authenticated relays are next on the list. This happens when the security credentials of a user… Read more »

Configure Exchange 2013 to send external email

Posted by & filed under Exchange Server.

So you’ve just installed Exchange 2013 and you can’t send emails to other domains? No problem. Similar to Exchange 2010 (instructions found here), Exchange 2013 is installed without a default send connector enabled. In order to send emails to other Exchange servers or external domains, you’ll need to set it up. Follow the steps below to setup… Read more »

MySQL Connection Response Slow on Windows 2008 / 2012

Posted by & filed under Internet Information Server, MySQL, PHP, Windows / Server.

One of the reasons why a PHP / MySQL combo seems so “slow” with regards to response times when moving from Windows 2003 (IIS6) to Windows 7/2008 (IIS7) / 2012 (IIS8), is the way many scripts connect to MySQL and having IPv6 enabled by default. Many server installations leave WordPress or other PHP script installs to default to “localhost”… Read more »

Fixing an SSD Freezing on Windows 7

Posted by & filed under Hardware, Windows / Server.

I recently installed a new Intel 520 series SSD in my Thinkpad W520. I didn’t notice any issues for the first few weeks until I started running 2 virtual machines at once. There was a stuttering (or freezing) every 60-90 seconds for about 10 seconds. Taking a look at Perfmon, I found the Disk Queue… Read more »