try removing the parenthesis

update Table

Set columna='value'

where columnb = 'othervalue'

try removing the parenthesis

update Table

Set columna='value'

where columnb = 'othervalue'

Have you checked the Tokencache?

SELECT GetDate() as TimeofCapture, SUM(single_pages_kb + multi_pages_kb) as "CurrentSizeOfTokenCache(KB)"

FROM sys.dm_os_memory_clerks

WHERE name = 'TokenAndPermUserStore'

We had an issue where our server just ended up being very...