Maximum number of simultaneous registrations for MAPI notifications

  • From: Mark Meelhuysen <Mark@xxxxxxxxxxxx>
  • To: "[ExchangeList]" <exchangelist@xxxxxxxxxxxxx>
  • Date: Fri, 3 Mar 2006 09:51:11 +0100

 Hello all,

On an Server 2003 (SP1) machine with Exchange 2003 (SP2) i get the following 
error:

Event Type: Error
Event Source: MSExchangeIS
Event Category: General 
Event ID: 9671
Date:  2-3-2006
Time:  5:01:57
User:  N/A
Computer: DC-VERTON
Description:
User SYSTEM has exceeded the allowed maximum number of simultaneous 
registrations for MAPI notifications.
 The configured maximum number of event notification registrations is 8. 
For more information, click http://www.microsoft.com/contentredirect.asp.
Data:
0000: 31 00 30 00 2e 00 32 00   1.0...2.
0008: 30 00 30 00 2e 00 31 00   0.0...1.
0010: 34 00 2e 00 31 00 00 00   4...1...

Can anyone tell me what I should do? I followed the link and it says:

The administrator can set the maximum number of registrations and the context 
size setting by adding the following REG_DWORD values to 
HKLM\System\CurrentControlSet\Services\MSExchangeIS\ParametersSystem: 
Maximum Allowed Client Context Size (default is 16 bytes). 
Maximum Allowed Notification Registrations Per Client (default is 8). 

But these values are not present.

Thanks in Advance.

Mark

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