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Frequently Asked Questions

MS SQL error '17824 Unable to write to ListenOn connection ...

Question:

What would cause error: MS SQL Server error "17824 Unable to write to ListenOn connection 'xxx', loginname 'xxx', hostname 'xxx'."

Answer:

PROBLEM:
After establishing a number of concurrent application connections
to the MS SQL Server the following error is encountered:

  MS SQL Server error "17824 Unable to write to ListenOn 
  connection 'xxx', loginname 'xxx', hostname 'xxx'."
POSSIBLE CAUSE:
It is possible that the PROCEDURE CACHE percentage is set too 
low. Please see your MS SQL Server documentation and NT Event 
Viewer for more information on debugging network errors and 
tuning your MS SQL Server's PROCEDURE CACHE.
Relevent SQL Server options:
  MAX PROCEDURE CACHE ...
  MAX WORKER THREADS
  PROCEDURE CACHE
  The procedure cache holds entries for each procedure and other 
  maintenance overhead.
  Settings for the PROCEDURE CACHE include:
    MAX PROCEDURE CACHE ACTIVE %
    MAX PROCEDURE CACHE USED%
    PROCEDURE CACHE USED%
    MAX WORKER THREADS 
    The max worker threads option allows control over the number 
    of threads allocated to the user pool.



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