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August 6th, 2009 17:00

2 Different Email Archived in EX as 1 Email

Has anyone run into this situation? I was sent a PST file from a client who is experiencing this issue. I open the PST and clearly see that there are 2 different emails...both sent at the same time, with the same subject, and the same attachment name (different size PDF files), and to 2 different internal email addresses. These are 2 separate emails. When I ran the Archive Task against the PST, these 2 emails were seen as the same email with the same Message ID, so only 1 was archived and the other was skipped.

The first email is to address1 with attachment size 7kb, and the second email is to address2 with attachment size 25kb. How could EX view both as the same email?

2 Intern

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600 Posts

August 7th, 2009 05:00

Hello,

Seems like your EX server is using 255 value based ID Algorithm. In case you do not know about IDAlgorithm then reffer to EX install guide.

Examples in the install guide are discussing about mass mailer limitation but the same applies to the emails you have in question.

Hope that helps.

Thanks,
Rajan

80 Posts

August 7th, 2009 11:00

I am in agreement that it has to do with the IDAlgorithm. I looked at the Installation guide and see that it tells me to change the IDAlgorithm = 0x80. My question now is how to make those changes in the registry...I've tried to enter 0x80 and it doesn't allow me to enter the 'x'.

2 Intern

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600 Posts

August 9th, 2009 16:00

Please be careful while using the algorithm. There are pros and cons listed in the documentation that you should be aware of.

Else I would suggest opening a SR with EMC Support to find out any/all limitation before you go this path.

Regards,
Rajan

2 Intern

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600 Posts

August 9th, 2009 18:00

In registry there are two type of values, what you been reffering to is HEX value, if you select Decimal then you need to convert HEX to decimal which will be 128.

Current decimal value you might be seeing is 255 you want to change it to 128.

Here are steps from EX Install Guide Chapter 6 page 5


1. Stop all EmailXtender services:
a. In either the EmailXtender Services Information dialog box
or the Windows Services window, stop the LEGATO
EmailXtender Administration service.
b. Answer Yes to all prompts to stop all of the other services.

2. For the following registry key, change the decimal value from 255
to 128: HKLM\SOFTWARE\OTG\EmailXtender\IDAlgorithm = 128

3. Restart the EmailXtender services in the following "reverse
dependency" order, in either the EmailXtender Services
Information dialog box or the Windows Services window:
¿ Exchange Manager
¿ Query
¿ Data Source
¿ Address Rule
¿ Archive
¿ Index
¿ Audit Manager
¿ Xtract Service
¿ HealthCheck
¿ Administration
Depending on your configuration, you may not have all of these services.

As I said earlier make sure you read everything in the docs before you change the same in production.

Thanks,
Rajan

80 Posts

August 9th, 2009 18:00

Yes, I was going to apply the algorithm to my test environment to see how it affects both journaling and shortcutting. Would you know how I enter the string into the registry?

80 Posts

August 9th, 2009 19:00

Thanks for your post. The guide said to change the value to 0x80, so that is what I was trying to enter. Now that you wrote 128 it makes sense.
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