Do you need something like this? I need this many times, specially when I need to syncronize two databases or life database with demo database. So..this is simple, you have to write a common insert command and other two lines, for ignoring, on insert time the identity column:
SET IDENTITY_INSERT [table_name] ON
insert into [table_name] (id, name, ...) values (99,'popnadrian')
SET IDENTITY_INSERT [table_name] OFF
And you made a "nice" work, your boss must be proud by you 
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