Is this an indication that someone is trying to hack into my server?

Recently I have noticed an increase in login errors. The most recent errors in my security log looks like the attached with a total of 190 occurrences by user name TEST and one by the GUEST user name. Does anyone have any info on anything like this? I'm sure it dosent matter but i'm running WinServ03.
Who is Participating?
I wear a lot of hats...

"The solutions and answers provided on Experts Exchange have been extremely helpful to me over the last few years. I wear a lot of hats - Developer, Database Administrator, Help Desk, etc., so I know a lot of things but not a lot about one thing. Experts Exchange gives me answers from people who do know a lot about one thing, in a easy to use platform." -Todd S.

Yes, there is lots of info regarding this error, the most reliable source is Microsoft.

Basically, they error indicates that someone is trying to login to this computer with an invalid username and/or password.

Experts Exchange Solution brought to you by

Your issues matter to us.

Facing a tech roadblock? Get the help and guidance you need from experienced professionals who care. Ask your question anytime, anywhere, with no hassle.

Start your 7-day free trial
calvinlemonAuthor Commented:
Thanks, guess I got a bit excited there for a min. After looking further into my event viewer im convinced that they are hack attempts and not anyone in the office who forgot their un or pw. Thanks for your time, help, and reassurance.
It's more than this solution.Get answers and train to solve all your tech problems - anytime, anywhere.Try it for free Edge Out The Competitionfor your dream job with proven skills and certifications.Get started today Stand Outas the employee with proven skills.Start learning today for free Move Your Career Forwardwith certification training in the latest technologies.Start your trial today
Windows Server 2003

From novice to tech pro — start learning today.