When the snapshot runs it will only create a snapshot of the table with the new column.  It will not create a snapshot of your entire database.

I am not sure...

I use the following to add a column to transaction replication. 

sp_repladdcolumn        @source_object = '<table name>',

            @column = '<new column name>',

                 @typetext = '<datatype> <NULL or NOT NULL>...

All tables in all database are exactly the same.  It is a varchar(3000) data type.  I don't want to have to deleted the subscription and re-create it but I know...

Tom,

The performance was good at one time and has gotten worse in the past few weeks.

How do I target specific areas like queries, procedures, application load and connection?

My network engineer is...

did you try the following

sp_removedbreplication 'database name'

Make sure that all subscription to this publication have been deleted before running the sp.

I checked the processes and there is only one process with the sp_MSget_repl_commands.

The subscription is a pulled subscription and I checked the server with the pulled subscription and there is...

How can I tell which process is running the distrubtion agent?

I ran the sp_who2 and have a list of processes. I see several processes for the distribution database. ...

The only thing that I changed was I took away system administrators rights from the the Built-In\Administrators user login. When I put back the Admin rights the backups started...