While upgrading i faced two issues: 1. Found a missing feature Id = [dc98d4f8-2307-4fe4-9f9c-5b9d97bce640], Name = [Lab04 Feature1], Description = [], Install Location = [Lab04_Feature1 2. WebPart class [6fcd2d02-416d-6df5-d11b-992a0dc48370] (class [JSharepoint.JSFile.JSFile] from assembly [JSharepoint, Version=1.0.0.0, Culture=neutral, PublicKeyToken=62e6c3f22721431c]) is referenced [2] times in the database [WSS_Content_02], but is not installed on the current farm. Please install any feature/solution which contains this web part. i run the following query against database but query returns null SELECT * FROM WSS_Content_2007.dbo.Features WHERE FeatureId = 75a0fea7-cd50-401e-af0e-782f3662a299 SELECT * FROM WSS_Content_2007.dbo.WebParts WHERE tp_WebPartTypeId like 68ec641-8c6a-1cc6-6465-185094919a93 is there any other way the fix these issues

Hi, How do you upgrading. Lab04 Feature1 is this any custom feature. Have you checked all hotfix and pre-requisite. thxiffi

Hi, if you are going by DB upgrade approach,you have to rebuild the custom webpart and deploy it in 2013 FarmRegards, Pradeep

Hi Rizwan, if you are sure that you will not be needing this anymore you can use powershell script and remove those feature from content db and then perform upgrade. For removing feature from content db you can use the scripts defined hereRaghavendra Shanbhag | Blog: http://moss-solutions.blogspot.com Please click "Propose As Answer " if a post solves your problem or "Vote As Helpful" if a post has been useful to you. Disclaimer: This posting is provided "AS IS" with no warranties.