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--- how_to:vpop3_status_monitor_problems [2010/08/05 09:44] – paul
+++ how_to:vpop3_status_monitor_problems [2015/09/23 13:46] – external edit 127.0.0.1
@@ Line 22: / Line 22: @@
   * Check VPOP3 is running - try **Start -> Program Files -> VPOP3 -> Configure VPOP3** to see if that can access the VPOP3 settings. Even if the VPOP3.EXE process is running in Task Manager (or the VPOP3 service is started), VPOP3 may not have started up yet - [[VPOP3 Not Starting Properly|see trouble-shooting tips for that]].
   * Check the VPOP3 Status Service is running. In some versions of VPOP3 this can get disabled if certain problems were encounteed during startup. [[Status Service Disabled|Go here for details on fixing this]].
+=====Time zone issues=====
+You may find that the VPOP3 status monitor is double-correcting for the time zone difference. For instance, if your local time zone is UTC+2, then you may find that the status monitor is displaying times as UTC+4. Alternatively, you may find that the status monitor is not correcting for the time zone difference at all, and is only showing times in UTC.
+This happens because you have the incorrect version of the VPOP3 status monitor on your PC.  You should use the status monitor software from the VPOP3 installation (usually stored in the main VPOP3 installation directory as VPOP3STATUS.EXE).
+The VPOP3 installer will update the status monitor version on the VPOP3 PC itself, but it will not automatically update it if it has been copied to any other PCs.
+====Technical====
+In older versions of VPOP3, VPOP3 itself would correct for the time zone to send times to the status monitor in VPOP3's local time, which the status monitor would simply display as-is - this caused issues for multinational installations where the status monitor was not in the same time zone as VPOP3 itself. Therefore, in the current versions of VPOP3, VPOP3 sends the times in UTC, and the status monitor corrects the time into its local time.
+So, if you have a current VPOP3, and an old status monitor, then VPOP3 will send the time in UTC, and the status monitor will not correct it. Alternatively, if you have an old VPOP3, and a current status monitor, then VPOP3 will correct to the local time zone, and the status monitor will also "correct" to the local time zone, meaning that a double correction occurs.

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