May be issue with server settingsseehttp://visakhm.blogspot.in/2011/12/why-iso-format-is-recommended-while.htmltry converting it to iso formal first and then insertingie likeINSERT INTO [serverName].[database].[dbo].[L_category] select [cat],[catid],CONVERT(varchar(30),[date_time],121),CONVERT(varchar(30),[insertdate],121),[lname]from openquery(linkservername,'SELECT [cat],[catid],[date_time],[insertdate],[lname] from category')
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