Don’t think you can. You mean the numeric ID?
Out of curiosity, why do you want to change that?
Yes, numeric ID!
You read here, you will understand…
http://wordpress.org/support/topic/65477?replies=6
PS: excuse for my English…
Hmm, I’m sorry but that thread doesn’t really help me understand why you want to change your category IDs.
You read the message of the moderator moshu…
We see if I succeed in explaining in English…
I use a plugin to stop the access to some categories. This also stops the pages if the category with ID 1 are jammed. To avoid the problem I have to change the ID of the category number 1…
Ok. So the pages have category 1 on them.
You want to block category 1.
Is category one your “Default” category?
Yes, “Default”!
I have to assign the ID number 1 to another category. A category of those not to be stopped, the pages are also stopped otherwise…
Or make a new category (newDefault!) and make IT the default category?
I could try, but from what I have read, it is not a matter of default category, but of ID number 1…