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You'll probably need to boot into a Windows PE environment using <a href="http://www.ubcd4win.com/" rel="ugc">Untimate boot CD for Windows</a> or &lt;suggestion removed by RockMod 24 Sept '11&gt; &nbsp;and resize the partition from there - Windows 2003 won't let you resize the active boot partition while running. I'd make a backup first as well, just in case...
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You'll probably need to boot into a Windows PE environment using Untimate boot CD for Windows [http://www.ubcd4win.com/] or <suggestion removed by RockMod 24 Sept '11>  and resize the partition from there - Windows 2003 won't let you resize the active boot partition while running. I'd make a backup first as well, just in case...

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I provided a screen shot below. &nbsp;I made the mistake by making it a dynamic disk. &nbsp;Their for im gettimg the error the selected volume is a system or boot disk. &nbsp;It is VIrtualized and managed by Hyper V Manager.<br />
<a href="https://filedb.experts-exchange.com/incoming/2011/09_w39/501711/Disk-Extension.zip" target="_blank" class="file-inline" title="Screen Shot of Symple volume using PSR.exe. (259 KB)"><svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512"><path d="M67.508 468.467c-58.005-58.013-58.016-151.92 0-209.943l225.011-225.04c44.643-44.645 117.279-44.645 161.92 0 44.743 44.749 44.753 117.186 0 161.944l-189.465 189.49c-31.41 31.413-82.518 31.412-113.926.001-31.479-31.482-31.49-82.453 0-113.944L311.51 110.491c4.687-4.687 12.286-4.687 16.972 0l16.967 16.971c4.685 4.686 4.685 12.283 0 16.969L184.983 304.917c-12.724 12.724-12.73 33.328 0 46.058 12.696 12.697 33.356 12.699 46.054-.001l189.465-189.489c25.987-25.989 25.994-68.06.001-94.056-25.931-25.934-68.119-25.932-94.049 0l-225.01 225.039c-39.249 39.252-39.258 102.795-.001 142.057 39.285 39.29 102.885 39.287 142.162-.028A739446.174 739446.174 0 0 1 439.497 238.49c4.686-4.687 12.282-4.684 16.969.004l16.967 16.971c4.685 4.686 4.689 12.279.004 16.965a755654.128 755654.128 0 0 0-195.881 195.996c-58.034 58.092-152.004 58.093-210.048.041z"/></svg>Disk-Extension.zip</a>
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Screen Shot of Symple volume using PSR.exe.

Disk-Extension.zip

I provided a screen shot below.  I made the mistake by making it a dynamic disk.  Their for im gettimg the error the selected volume is a system or boot disk.  It is VIrtualized and managed by Hyper V Manager.

Need Help Extending C: Simple Volume on Windows 2003 Sbs Server.

Small Business Server (SBS) is a line of server operating systems targeted at small businesses by bundling the operating system with a number of other Microsoft products that would normally need to be purchased or licensed separately. The most notable inclusions are Exchange, SQL Server, SharePoint and ISA/TMG (Microsoft's firewall and proxy server).