"Invalid http response" while uploading new ASA image via ASDM

[Deepak Chauhan]

I am uploading new ASA image to boxes 5512-X & 5516-X. While uploading image through ASDM, after completing 90 % I got "Invalid http response" error. I already tried 4 or 5 time, but it occurs every time. Current ASA version is  8.6(1)2.

Interestingly while uploading ASDM image through ASDM, i did not face any issue.

Is it some Cisco bug or something else? Can some body help.

[Philip D'Ath]

Perhaps try upgrading to a different lower image first, and then to your final image.

[Marvin Rhoads · Accepted solution]

The ASA software file handling changed as of 9.1(3)+.

There is a documented requirement to first upgrade to 9.0(4) and then to any 9.1(3)or later release.

See this link:

http://www.cisco.com/c/en/us/td/docs/security/asa/asa95/release/notes/asarn95.html#ID-2152-0000000a

[Deepak Chauhan]

Thanks Marvin. :)