The logo is modified in the….\{new name}\VendorPortalSkin.skin file. Open the file ….\{new name}\VendorPortalSkin.skin file Copy the new logo file to the directory specified in this file next to the ImageUrl tag. Do not modify any other values. <%-- Images --%> <asp:Image SkinId="logo" runat="server" ImageUrl="~/App_Themes/{new name}/Images/logo_tag.jpg" /> Modify the path in this file to point to the new file name.