Monitoring Event Sink # 33 – Troubleshooting : How to remove COM+ applications?

Usually we see that as existing applications become outdated or are no longer being used, you may need to remove them. I am trying to add couple of methods how you can try to remove COM+ applications in the best effort basis. Before using the methods, i would recommend you to consider the following info:…


Monitoring Event Sink # 32 – Best Practices: Performance related issues with Event sinks

I would like to share certain best practices – in order to improve the performance or overcome performance related issues associated with event sink and Programming guidelines for event sinks before you develop for your reference. Exchange store events do not by themselves generate Windows Event Log entries. The underlying ExOLEDB provider generates performance counters…


Monitoring Event Sink # 31: Why Exchange Explorer doesn’t work ?

One of my customer reported that in one of his machine, the exchange explorer (available part of Exchange SDK) stop responding. But the same work in his rest of the machines. During the research, we found the following known issues (stop responding, doesn’t display etc) with exchange explorer: Cannot set member server schema scope using…


Monitoring event sink # 29 – Event Sink & VSAPI

Viruses, worms, and other malicious content transmitted by e-mail systems are a destructive reality faced by most Microsoft Exchange administrators. Therefore, we should develop a defensive antivirus deployment for all messaging systems. Now we can have a look on VSAPI. VSAPI is used for… This enables non-Microsoft vendors to implement the virus scanners or AV’s,…

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Monitoring event sink # 28 – Attachments Are Missing When You Use an Event Sink to Modify the Stream of Messages

One of my customer reported that they have a store event sink, which is used to modify the stream of incoming messages in Exchange Server environment (2003). But their attachments are missing when they open & view the message in Microsoft Outlook or in Microsoft Outlook Web Access (OWA); But contrarily when we view the…

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Monitoring event sink # 27 – After you register an event sink on a mailbox store, the Microsoft Exchange Information Store service does not start in Exchange Server 2003

One of my customer had migrated from Exchange server 2000 to Exchange Server 2003, where had an event sink registered on a mailbox store. But his Store.exe (Exchange Information Store service) stops responding for one of the following events:  • You restart the Microsoft Exchange Information Store service. • Store.exe automatically starts after a restart…

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Monitoring event sink # 26 – Implementing onTimer Event sink

Timers & Events: Whenever we talk about the event sink and we plan to implement the event sink that should trigger within a specified time or interval, then we will go for onTimer Event sink. Basically Timers have scope, in the same way as other events. With timers, however, no event occurs in that location…

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Monitoring event sink # 25 – Recipients modified mail (using event sink) sent from PICKUP folder and lands in the DROP folder ?

Recipients modified email messages (using event sink) sent from PICKUP folder and lands in the DROP folder ? The Pickup folder processes outgoing messages that are created as text files and then copied to the Pickup folder. When Request for Comments (RFC) 822 messages that are correctly formatted are copied to the Pickup folder, the…

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Test and troubleshooting tools for various Exchange technologies

I tried to compose the test and troubleshooting tools for various exchange technologies. This initial list upto Exchange Server 2003.    Technology   Tools for test and troubleshooting tools Active Directory Services Interfaces (ADSI)   All standard test and debugging tools, as well as other Microsoft and third-party test and debugging tools, can be used.  …


API’s that are not included in Exchange Server 2007 ?

When you migrated from Microsoft Exchange 2000 & 2003, where they provide several API’s that are not included in Microsoft Exchange Server 2007. Please find the following API’s that are not included in the Exchange Server 2007 environment & the recommended technologies to migrate to. APIs that are not included in Exchange 2007 API Status…


Monitoring event sink # 23 – OnsyncSave global Events causing notifications

One of my customer who has reported that on Exchange Server 2000 his Store event sink (onSyncSave) for global events causing the notifications for the couple of empty flags. When we analyzed his event sink, he registered it as, regevent add onsyncsave sink.sink.1 “file://./backoficestorage/%userdnsdomain%/MBX/SystemMailbox{GUID}/StoreEvents/GlobalEvents/<reg>” This issue happens whenever he created a new user and immediately…


Monitoring event sink # 21 – Exchange Server 2007 & Store Event sink registration

One of my customer developed with a store event sink (onsave;ondelete) in x64bit Exchange 2007 server. He want to know in which server role that we need to register the   event sink along with COM+ application? Yep, that’s true. As you know in Exchange Server 2007 it has various server roles like hub, transport, edge…


Monitoring event sink # 20 – MailMsg COM class

MailMsg – COM Class The MailMsg COM class represents a message as it proceeds through the SMTP service. The information within the MailMsg object is persisted to some physical location such as the file system using objects and file handles provided by the installed store driver object. The MailMsg COM class is integral to the…

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