If you want version control but not comment tracking:
Edit the versioningEnabled statement and set it to true.
Edit the versionCommentsEnabledstatement and set it to false.
To Turn Comment Tracking On
Edit the versionCommentsEnabledstatement and set it to true.
Save and close the file.
Verify that Version Control and Comment Tracking are set as you intended.
Verify the Comment Tracking Option
Connect to the Data Integration Repository.
In the Browse tab, click on a file in the Repository Explorer
OFF – The Version History tab appears, and the Comment field is hidden. When you save a transformation, job, or connection information, you are no longer prompted to enter a comment.
< SCREEN SHOT>
ON – The Version History tab appears with the Comments shown. When you save a transformation, job, or connection information, you are prompted to enter a comment.