We\'ve got VisualSVN Server set up as our Subversion server on Windows, and we use Ankhsvn + TortoiseSVN as clients on our workstations.
How can you configure the se
Note: This Only Applies To TortoiseSVN
Simply right-click the top level of your Repository. In the context-menu select TortoiseSVN, then Properties, to see this dialog:

Click the New button near the bottom right, and select Log Sizes. Enter the number of characters you want to require for Commit and Lock (10 in example below).

Do a Commit from the top Level directory you just modified. Now your repository requires all users to Comment before Committing changes.