Running .Net Framework 2.0 apps under .Net Framework 3/3.5

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.NET2.0

hello, this is Vikash Gohil.

Can someone tell me if I will face any issues if I run .Net 2.0 apps under .Net 3/3.5 runtime?

Also whether I need .Net 2.0 runtime installed to run 2.0 apps, if 3.0 is already installed?

Posted 22-Aug-11 20:37pm

VikashGohil

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Prerak Patel · Answer 1 · 2011-08-22T20:47:00

Solution 1

Yes, you need framework 2, if your application is built for same.
http://support.microsoft.com/kb/941990[^]

Posted 22-Aug-11 20:47pm

Prerak Patel

Updated 22-Aug-11 22:08pm

v2

Comments

VikashGohil 23-Aug-11 3:01am

Thanks for the reply.
But then what is the use of installing 3.0 if I am installing 2.0 runtime, I mean what advantage will i get if both are installed 2.0 and 3.0
Bcoz my app will only use 2.0 runtime then.

Prerak Patel 23-Aug-11 3:07am

You don't even need framework 3. If you are not using at all. That doesn't make any difference.

Prerak Patel 23-Aug-11 3:08am

May be some other application is using framework 3. So it will stop working if you remove it.

VikashGohil 23-Aug-11 3:27am

actually, I have a windows service created in .Net 2.0 which is giving some problem after running for a few days.
This thing happens regularly after every few days.
So I was thinking of upgrading the .Net runtime version from 2.0 to 3.0 or higher, which might solve the problem.
The error I get in my service is err no. 1053.
Do you know why this error is raised?

Prerak Patel 23-Aug-11 4:09am

Framework 3 won't help in this case.
1053 is - The service did not respond to the start or control request in a timely fashion. You can see details here.
http://support.microsoft.com/kb/941990
Try the work around.