URL Rewrite Module 1.1 for IIS 7
Today IIS team has released the URL Rewrite Module 1.1 for IIS 7. This is an incremental update that contains fixes to the bugs found since the URL Rewrite Module v1.0 has been released in November 2008. If you have version 1.0 installed (file version of rewrite.dll is 7.1.315.0), it is highly recommended you upgrade to version 1.1.