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Domino iSeries HTTP task crashes server every 20 minutes after upgrade to 6.5.4

Technote Number: 1206889

This issue was reported to Quality Engineering as SPR# TPOK6CKQW4 and has been
addressed in Domino 6.5.4 Fix Pack 1 (FP1), 6.5.5 and 7.0. Refer to the
Upgrade Central site for details on upgrading Notes/Domino.
Excerpt from the Lotus Domino Release 6.5.5 (available at

SPR# TPOK6CKQW4 - This fix prevents an intermittent server crash during HTTP
refresh. This regression was introduced in 6.5.4. The problem appeared because
an array of pointers was not properly initialized on the iSeries platform. As a
result, if the memory allocated to hold the configuration pointers happened to
contain an old pointer, a code change in 6.5.4 would attempt to use the pointer
in an incorrect way resulting in either MCH3601 or MCH3602 errors.
A workaround to this problem would be to set the HTTPConfigRefreshTimeout=1440
parameter in the Notes.ini. Please note that the timeout is in minutes, so 1440
is 24 hours. Basically, you should adjust the time to be larger than the
expected uptime of the Domino Server to avoid a crash. Also, as part of this
workaround, avoid issuing the "tell http refresh" command at the Domino Console
or via any program document or Agent.
The default refresh rate is every 20 minutes.
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