Many thanks for your reply.

We only have one subscriber.

What I do not understand is that since our transactional replication is one way (no updating at the subscriber), then why...

Well I tried to execute the stored procedure sp_MSins_dboTable (which was giving the error) with the same values in SSMS (with IDENTITY_INSERT ON) for the table and the values were...

Yes, I selected all tables, views, SPs, functions and did not filter anything.

I am also giving the following information, if it helps to identify the problem:

The result of sp_helparticlecolumns for...

Sorry I was wrong, identity management for the article is Manual at the publisher. I also found the following:

Publisher range size = 0

Subscriber range size = 0

Range threshold percentage =...

No the identity values are managed automatically at the publisher.