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event 7043 system mailbox GUID replaced

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event 7043 system mailbox GUID replaced - 14.Dec.2011 6:10:57 PM   
Philippe_Jehl

 

Posts: 8
Joined: 7.Dec.2011
Status: offline
I have been seeing the following event every 15 or so minutes. I have seen articles state to delete mailboxes with CNF
in its GUI "Please check the object under Microsoft Exchange System Objects OU:
If the system mailbox which have CNF in between GUID" Anyone else encounter this, any consequences in leaving it as is ?
Event ID: 7043
Task Category: IS/AD Interactions
Level: Warning
Keywords: Classic
User: N/A
Computer: XXXXXXXXXX
Description:
The mailbox GUID of an external system mailbox ('Mailbox - SystemMailbox{22b156d4-e6c5-44e8-abcf-d314653d1e40}') does not match the information in the Active Directory for the mailbox. The existing GUID ('6b67d30e-d5e3-4741-a5da-e48181228ed9: /o=Silgan Exchange/ou=Exchange Administrative Group (FYDIBOHF23SPDLT)/cn=Recipients/cn=SystemMailbox{22b156d4-e6c5-44e8-abcf-d314653d1e40}') has been replaced with the expected GUID ('980f879c-3187-45f8-a5e0-f5d95c2d7e21: /o=Silgan Exchange/ou=Exchange Administrative Group (FYDIBOHF23SPDLT)/cn=Recipients/cn=SystemMailbox{22b156d4-e6c5-44e8-abcf-d314653d1e40}').
Post #: 1
RE: event 7043 system mailbox GUID replaced - 15.Dec.2011 3:12:26 AM   
ismail.mohammed

 

Posts: 3018
Joined: 9.May2007
From: India
Status: offline
there is no major impact, all it will do is increasing alert ratio in the event viewer, which will be trigerred by your ticketing system and then resolving.

My Suggestion would be get rid of this event by deleting this duplicate enteries

FYI,
http://social.technet.microsoft.com/Forums/en-US/exchangesvrmigration/thread/edc05e8f-169c-4b08-af20-f45ea6af710a/

(in reply to Philippe_Jehl)
Post #: 2
RE: event 7043 system mailbox GUID replaced - 15.Dec.2011 10:18:30 AM   
Philippe_Jehl

 

Posts: 8
Joined: 7.Dec.2011
Status: offline
thanks that was what I was thinking from the information I had found but the link you gave me better confirmed as to what was needed. BTW why are these duplicates created? We migrated from 2003 to 2010 was that something left over from the migration?

(in reply to ismail.mohammed)
Post #: 3
RE: event 7043 system mailbox GUID replaced - 16.Dec.2011 12:42:22 PM   
shanmarsh3

 

Posts: 12
Joined: 16.Dec.2011
Status: offline
It is caused by duplicate entries for system mailbox present in Active directory.  I don't think delete it will affect your removing. Open the Active Directory Users & Computers --> Microsoft Exchange System Objects container and matched the GUID which we see in the event

(in reply to Philippe_Jehl)
Post #: 4

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