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You cannot generate an OAB file that is larger than 2GB in an Exchange Server 2010 environment

SYMPTOMS
When you try to generate an offline address book (OAB) file that is larger than 2GB in a Microsoft Exchange Server 2010 environment, the generation process fails. Additionally, the following events are logged in the Application log on the Exchange Server 2010 mailbox server:


Log Name:      Application
Source:        MSExchangeSA
Date:          Date
Event ID:      9126
Task Category: OAL Generator
Level:         Error
Keywords:      Classic
User:          N/A
Computer:      Computer
Description:
OABGen encountered error 80070083 while calculating the offline address book for address list '\Global Address List'. This offline address book won't be available for client download.
- \Default Offline Address List.


Log Name:      Application
Source:        MSExchangeSA
Date:          Date
Event ID:      9328
Task Category: OAL Generator
Level:         Error
Keywords:      Classic
User:          N/A
Computer:      Computer
Description:
OABGen encountered file error 80070083 (internal ID 5000398) while generating the offline address list for address list '\Global Address List'. Make sure there is enough disk space available.
- \Default Offline Address List

CAUSE
This issue occurs because the OAB generation process encounters an issue when it tries to calculate the location in the OAB file at which to insert data. The OAB generation process encounters this issue when the extracted OAB file is larger than 2GB.
RESOLUTION
To resolve this issue, install the following cumulative update:
2661854 Description of Update Rollup 2 for Exchange Server 2010 Service Pack 2

MORE INFORMATION
For more information about offline address books, visit the following Microsoft website:
For more information about the ERROR_NEGATIVE_SEEK error, visit the following Microsoft website:
For more information about the SetFilePointer function, visit the following Microsoft website:
For more information about how to manage offline address books, visit the following Microsoft website:

Properties

Article ID: 2625450 - Last Review: 04/16/2012 16:42:00 - Revision: 1.0

Microsoft Exchange Server 2010 Enterprise, Microsoft Exchange Server 2010 Standard, Microsoft Exchange Server 2010 Service Pack 2

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