<div dir="ltr">Given that it is complaining about accessing the upgrade file, are you using dvd image/dvd on the host or sftp? I'd try a different method to see.<div><br></div><div>Not a whole lot of information, but I have seen SFTP cause similar issues, I think it was a permissions problem on a linux setup using openssh.</div></div><div class="gmail_extra"><br><div class="gmail_quote">On Mon, Mar 9, 2015 at 8:16 PM, Jonathan Charles <span dir="ltr"><<a href="mailto:jonvoip@gmail.com" target="_blank">jonvoip@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr">Getting error: <div><br></div><div><div> <span style="white-space:pre-wrap"> </span></div><div>Error encountered: An unknown error occurred while accessing the upgrade file. Warning: A system reboot is required when the upgrade process completes or is canceled. This will ensure services affected by the upgrade process are functioning properly.</div></div><div><br></div><div>Tried upgrade from to 10.0.1 and 10.5.1, same errors...</div><div><br></div><div>I have applied the ciscocm.version3-keys.cop.sgn patch, no change in behavior...</div><div><br></div><div><br></div><div>Any ideas?</div><span class="HOEnZb"><font color="#888888"><div><br></div><div><br></div><div><br></div><div>Jonathan</div></font></span></div>
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