The page you are looking for has moved. The new link is below:

Old link:  http://www.austintexas.gov/police/warrants/warrantsearch.cfm
New link:  https://services.austintexas.gov/police/warrants/warrantsearch.cfm

Thank you! And please remember to update your bookmarks.  
This change has been made as a part of an effort to improve the City’s digital services.