This object contains the Operational state of the TWCB Server
farm. The state of the TWCB Server farm will be deemed 'up'
when the row is 'active', the
etsysTwcbWcServerfarmAdminStatus is 'enabled' and at least
one etsysTwcbCacheEntry has been associated with this entry
and it's etsysTwcbCacheOperStatus is 'up'.
- `up', indicates the TWCB Server farm is operationally ready.
- `down', indicates the TWCB Server farm is operationally
unavailable.