sp_configure 'allow update',1
reconfigure with override
update syscolumns set colstat=0 where colstat=1 and id=object_id('tablename')
sp_configure 'allow update',0
reconfigure with override
reconfigure with override
update syscolumns set colstat=0 where colstat=1 and id=object_id('tablename')
sp_configure 'allow update',0
reconfigure with override