https://forums.autodesk.com/t5/vault-forum/unable-to-get-checkout-files/m-p/5648623#M42994 <P><SPAN style="line-height: 15px;">Hi,</SPAN></P> <P>I double click on a DWG in Vault explorer to open it, it gave this error message <BR /> Unable to Get / Checkout Files<BR /> TELUS-TB-XREF.dwg<BR /> An error occurred while attempting to retrieve a file</P> <P>&nbsp;</P> <P>this DWG file use&nbsp;<SPAN>TELUS-TB-XREF.dwg as xref.&nbsp;</SPAN><BR /> <BR /> if I run Get / Checkout file on it, select check out, after that, double click on the file, then it was openned in AutoCAD. <BR /> <BR /> What could be wrong?&nbsp;</P> <P>&nbsp;</P> <P>I found <A href="http://knowledge.autodesk.com/support/vault-products/troubleshooting/caas/sfdcarticles/sfdcarticles/Get-Checkout-Error-An-error-occurred-while-attempting-to-retrieve-a-file-Vault.html" target="_self">this</A>, it's for Inventor. I'm not sure if I should try it:</P> <P>&nbsp;</P> <P>Edit the Vault Explorer configuration file (located at C:\Program Files\Autodesk\Vault Professional 2014\Explorer\Connectivity.VaultPro.exe.config).</P> <P>Anywhere within the section &lt;appSettings&gt;, add the following line:</P> <P>&nbsp; &lt;add key="NumberOfSimultaneousDownloads" value="1"/&gt;</P> <P><BR /> <BR /> <BR />Thanks<BR />Wes</P> Fri, 22 May 2015 15:03:20 GMT wesbird 2015-05-22T15:03:20Z