http://blogs.technet.com/b/nettracer/archive/2010/06/16/is-quot-maximumblocksize-quot-setting-supported-on-windows-2008-r2-wds-server.aspxHi there, Recently I dealt with a connectivity issue that occurs when deploying OS images with Windows 2008 R2 WDS server to PXE clients running in different subnets. As you may already know, we have a workaround for router MTU size incompatibilitiesen-USTelligent Evolution Platform Developer Build (Build: 5.6.50428.7875)http://blogs.technet.com/b/nettracer/archive/2010/06/16/is-quot-maximumblocksize-quot-setting-supported-on-windows-2008-r2-wds-server.aspx#3350625Wed, 18 Aug 2010 08:38:11 GMTd5e57398-b9ef-4490-9955-07cbb4e4a80d:3350625MuratKa1<p>Thanks for sharing this Janake. This seems to be very recent. It looks like it was decided to release an hotfix before SP1 was released.</p> <p>Murat</p> <div style="clear:both;"></div><img src="http://blogs.technet.com/aggbug.aspx?PostID=3350625" width="1" height="1">http://blogs.technet.com/b/nettracer/archive/2010/06/16/is-quot-maximumblocksize-quot-setting-supported-on-windows-2008-r2-wds-server.aspx#3350433Tue, 17 Aug 2010 08:34:21 GMTd5e57398-b9ef-4490-9955-07cbb4e4a80d:3350433Janåke Rönnblom<p>There is a hotfix for R2 availible now, se <a rel="nofollow" target="_new" href="http://support.microsoft.com/kb/975710">support.microsoft.com/.../975710</a></p> <div style="clear:both;"></div><img src="http://blogs.technet.com/aggbug.aspx?PostID=3350433" width="1" height="1">