Thanks Daan for the response. We have done 4.2.1 to 4.3 upgrade in our lab . Nux has logged a defect [1] but we haven't run in to this scenario.
 I am double checking this issue in our env. Hope someone else can pick up 4.2 -> 4.3 upgrade. Then we would be good. 

[1] https://issues.apache.org/jira/browse/CLOUDSTACK-5902


-----Original Message-----
From: Daan Hoogland [mailto:daan.hoogland@gmail.com] 
Sent: Thursday, January 16, 2014 1:55 PM
To: dev
Subject: Re: [ACS43] QA and Test Tasks ... Upgrades

Sudha,

I'll be doing a lab test for 4.1.1 to 4.3

On Tue, Dec 31, 2013 at 6:22 AM, Sudha Ponnaganti <sudha.ponnaganti@citrix.com> wrote:
> Hi All,
>
> Has anyone trying upgrades for ACS 4.3 from ACS 4.x versions  ??
> 4.2 and 42.1 will be covered in our lab. Wondering if anyone else is 
> trying upgrades as RC is approaching soon
>
> Thanks
> /sudha
>
> From: Sudha Ponnaganti
> Sent: Sunday, October 20, 2013 3:46 PM
> To: dev@cloudstack.apache.org
> Subject: RE: [ACS43] QA and Test Tasks
>
> Another reminder to see if anyone is interested to cover the following topics. Some of you are going to try upgrades and some of the features anyways so  checking to see if you would like to sign up for validation of the following areas.
>
> From: Sudha Ponnaganti
> Sent: Tuesday, October 15, 2013 4:09 PM
> To: dev@cloudstack.apache.org<mailto:dev@cloudstack.apache.org>
> Subject: [ACS43] QA and Test Tasks
>
> Hi All,
>
> 43 is getting started now and it is great opportunity to participate 
> and contribute towards ACS 43 Validation if you have interest in 
> testing and automation related areas. Below are the tasks and I have 
> posted a task sheet to sign up. Pl review and see if you would like to 
> sign up.  There are several areas that we need contributors and I have 
> listed them below. Pl review and sign up if you are interested in any 
> of these activities
>
> *Feature validation
> List 
> https://issues.apache.org/jira/issues/?jql=project%20%3D%20CLOUDSTACK%
> 20AND%20issuetype%20in%20%28Improvement%2C%20%22New%20Feature%22%29%20
> AND%20fixVersion%20%3D%20%224.3.0%22
> * Upgrade validation - will publish compatibility matrix but below are 
> basic upgrades
> 4.0->4.3  (P3)
> 4.0.x->4.3(P3)
> 4.1->4.3 (P3)
> 4.1.x -> 4.3 (P2)
> 4.2->4.3 (P1)
> 4.2.1->4.3 (P1)
> *Defect validation for ACS 4.3 ( there are already resolved defects 
> pending for validation and one can get started right away on these 
> *Automation ( Any 4.2 + features can be picked up for automation)
>
> If you are interested, Pl do sign up for these tasks @ 
> https://cwiki.apache.org/confluence/display/CLOUDSTACK/QA+4.3+Test+Pla
> n
>
> Appreciate your help
> Thanks
> /Sudha