ERROR 403: Forbidden or ERROR 404: Not Found

`ERROR 403: Forbidden` or `ERROR 404: Not Found`

The messages ERROR 403: Forbidden and ERROR 404: Not Found are displayed if the client successfully downloads the boot_archive and boots the Oracle Solaris kernel but fails to get one of the image archives. An error message is displayed indicating which file is causing the problem. For example, in the following output on a SPARC client, the solaris.zlib file does not exist or is not accessible at the specified location:

<time unavailable> wanboot info: Starting DHCP configuration
<time unavailable> wanboot info: DHCP configuration succeeded
<time unavailable> wanboot progress: wanbootfs: Read 368 of 368 kB (100%)
<time unavailable> wanboot info: wanbootfs: Download complete
Mon May  5 18:57:36 wanboot progress: miniroot: Read 235737 of 235737 kB (100%)
Mon May  5 18:57:36 wanboot info: miniroot: Download complete
SunOS Release 5.11 Version 11.4 64-bit
Copyright (c) 1983, 2015, Oracle and/or its affiliates. All rights reserved.
Remounting root read/write
Probing for device nodes ...
Preparing network image for use
Downloading solaris.zlib
--2015-05-05 18:52:30--  http://203.0.113.67:5555/export/auto_install/11_4_sparc/solaris.zlib
Connecting to 203.0.113.67:5555... connected.
HTTP request sent, awaiting response... 404 Not Found
2015-05-05 18:52:30 ERROR 404: Not Found.

Could not obtain http://203.0.113.67:5555/export/auto_install/11_4_sparc/solaris.zlib from install server
Please verify that the install server is correctly configured and reachable from the AI client

This problem can be caused by one of the following conditions:

The image path configured in WAN boot is not correct.
The image path does not exist or is incomplete.
Access is denied due to permission issues.

Check your DHCP configuration or the contents of the net image you specified when you ran installadm create-service. Check your WAN boot configuration.