After upgrading our CER 8.5 to 9.0.2, we are receiving an HTTP 500 erreur message when we try to access the CER admin page. We intalled the COP file before upgrading to 9.0.2. When we switch version to 8.5, we can access the admin page with no issue.
Can we switch back to 8.5 and run the refresh upgrade and then upgrade to 9.0.2 again? Or we need first to delete the inactive partition and then start it over?
admin:show version active Active Master Version: 188.8.131.5200-1 Active Version Installed Software Options: ciscocm.cer_refresh_upgrade_v1.1.cop
admin:show version inactive Inactive Master Version: 184.108.40.20600-7 Inactive Version Installed Software Options: ciscocm.cer_refresh_upgrade_v1.1.cop
HTTP Status 500 -
type: Exception report
description: The server encountered an internal error () that prevented it from fulfilling this request.
We started from scratch, rebuilt a 8.5 version of CER and then upgraded to 9.0.2 using the COP file. Now, the switch version using CLI fails but it works from GUI. This is a lab environment with a single Pub server. Would you guys happen to know where the issue is?
Here's the error message:
Switching Version and Restarting the Appliance ... Failed to Switch Version and Restart the Appliance
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