Article authored by
Casper Manes.
Instead of looking for answers all over the Internet, old-school
sysadmins like to rely on command-line tools. With err.exe,
figuring out error codes has never been easier.
One of the absolutely most useful command-line tools I have ever
seen, and which I use almost every day, is one that actually came
out so long ago. If it were an operating system, it would be in
extended support today; it will run on anything from Windows 2000
all the way up to Windows 10, and can be used to troubleshoot so
much more than just Exchange, so it's a real shame it's not
included by default in every O/S build Microsoft releases.
Fortunately, you can easily grab it from Microsoft whenever you
need it, so it's never too far away, and it weighs in at a
surprisingly slim 1.6MB when extracted, or 809KB to download. And
yes, I am talking about the Microsoft Exchange Server Error Code
Look-up tool, or err.exe for short, one of the best tools you
