MOSS 2007 workflows no longer available/Visible when we upgrade from 2007 to 2010(Database Attach method)

Issue: After upgrade to SharePoint 2010, we are unable to use the workflow tool (Collect Feedback) on the CRS US Sub-Region SharePoint sites.

No OOB workflows are available in the any document libraries.

Troubleshooting done:

Checked that the all the workflow features are active on the Site collection level including SharePoint 2007 workflows.

Checked on the site collection workflow settings that all the workflows are in ‘Active’ state.

Checked by pointing to the old WFE’s workflow are existing on the SharePoint 2007 sites and are associated with the document libraries.

Resolution:

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     On further research we have noticed the Blog by Mr. Vinit, which talks about the resolution of this: http://blogs.technet.com/b/vinitt/archive/2011/02/23/moss-2007-workflows-no-longer-available-visible-when-we-upgrade-from-2007-to-2010-database-attach-method.aspx

Two TechNet forums are also supporting this resolution. http://social.technet.microsoft.com/forums/en-US/sharepointadminprevious/thread/019fb9b1-c878-4b3a-ba6e-63c9036a9d96 and http://social.msdn.microsoft.com/Forums/en-US/sharepointgeneralprevious/thread/dee67ee6-a773-4a56-8880-3d80c07edf42  

If you have any queries/questions regarding the above mentioned information then please let me know.

I would be more than happy to help you as well as resolves your issues, thank you.

Applies to: SharePoint 2010, SharePoint Foundation Server.