Thank you for your quick reply.
Yes, we are using outlook client. The email was send successfully, but it is not creating activities. Here is the log that shows an error when i use tracing in outlook.
HideGridPlate() Plate successfully removed.
[2013-08-21 09:23:26.044] Process:OUTLOOK |Organization:19863a60-b4df-47dd-8bcd-f0d6e4345261 |Thread: 1 |Category: Application.Outlook |User: 00000000-0000-0000-0000-000000000000 |Level: Error |ReqId: | GridAndVizControl.HideGridPlate ilOffset = 0x5D
Dispose SqlCeConnection Database C:\Users\[myclient]\AppData\Local\Microsoft\MSCRM\Client\CrmCache.sdf Thread 24 Threadpool? True CreateConnectionsEveryTime? True
[2013-08-21 09:23:36.786] Process:OUTLOOK |Organization:19863a60-b4df-47dd-8bcd-f0d6e4345261 |Thread: 30 |Category: Application.Outlook |User: 00000000-0000-0000-0000-000000000000 |Level: Error |ReqId: | OutlookItemWrapper.GetSmtpAddress ilOffset = 0x84
>Client Process Proxy Closed
[2013-08-21 09:24:17.890] Process:OUTLOOK |Organization:19863a60-b4df-47dd-8bcd-f0d6e4345261 |Thread: 39 |Category: Application.Outlook |User: 00000000-0000-0000-0000-000000000000 |Level: Error |ReqId: | DuplexChannelFactoryCache.IsValidChannel ilOffset = 0x56
[2013-08-21 09:24:17.921] Process:OUTLOOK |Organization:19863a60-b4df-47dd-8bcd-f0d6e4345261 |Thread: 39 |Category: Application.Outlook |User: 00000000-0000-0000-0000-000000000000 |Level: Error |ReqId: | ClientProcessProxy.Host_Faulted ilOffset = 0x14
After i compared with another log, i found out that a process that called track activities is missing. (The following address cannot be found on the tracing log
http://MyServer:5555/MyCompany/tools/mailmerge/trackactivities.aspx?activitytypecode=4207&entitytypecode=2&showquickcampaign=false&showassignactivity=true)