How to filter logs on windows server 2003?

Question

System administration

You need to look at critical and mass errors

Answer 1

It's like you have to be lazy to ask such a thing here ...
Right-click on the desired log - Filter the current log, and then select what you need.
What are mass errors?
And what is the higher point of still using W2K3?
The screenshots are taken from Windows 7, but they are about the same for all versions.