FYI...
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http://isc.sans.org/...ml?storyid=5980
Last Updated: 2009-03-09 22:07:42 UTC ...(Version: 4) - "If you have a Cisco IP phone, your DST rollfoward may not have worked, so you might want to rely on a different clock until the issues gets fixed... Update 2: Soon after I published this, Cisco published a patch to fix the issue..."
ciscocm.dst_march_2009.html
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http://www.cisco.com...march_2009.html
****IMPORTANT*****
This patch is a temporary workaround for the March 2009 DST issue.
You must upgrade before November 1, 2009 to a Unified Communications Manager version containing the fix for CSCsy25150 (CUCM is not sending Daylight Saving Time updates):
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http://tools.cisco.c...ugId=CSCsy25150
Installation Instructions for Unified Communications Manager Daylight Savings Time (DST) patch file:
File Name: ciscocm.dst_march_2009.cop.sgn
MD5 Sum: d4:f5:e2:56:29:82:f9:fd:af:44:46:be:2a:e0:8d:f1
1. Ensure that Database Replication is working correctly before installing this file, you can check this from RTMT or Cisco Unified Reporting.
2. Install this file only on the Publisher from the "Install/Upgrade" option under "Cisco Unified Communications Operating System Administration."
3. Wait for 60 seconds.
4. Ensure that Database Replication is working correctly after the installation is complete.
5. Restart Cisco CallManager service on all the nodes in the cluster that are running this service.
***NOTE: If you apply a device pack or other update after applying this patch and before March 15,
this patch will need to be re-installed.
When a permanent fix is available for November time change a Field Notice will appear here:
http://www.cisco.com...tices_list.html