Microsoft KB Archive/152926

= XADM: Exchange IS Error 1025 =

Article ID: 152926

Article Last Modified on 10/28/2006

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APPLIES TO


 * Microsoft Exchange Server 4.0 Standard Edition

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This article was previously published under Q152926



SYMPTOMS
The Information Store may report the following error in the Event Log:

Event ID: 1025

Source: MExchangeIS Private

Type: Warning

Category: Transport

Description:

An error occurred.

Function name or description of problem: EcGenerateNRN:

Error:0x8004010f



CAUSE
This happens when an expired message is in a mailbox that has never been logged on before and the message has a Read Notification Request. While trying to generate the Non-Read Notification (NRN), a logon object is supposed to be created for this mailbox, but at that point no Windows NT User Name is available because this is not a real logon from the user. The logon code tries to cache the Windows NT User Name, but because it does not have the Windows NT User Name, it cannot. At this point, the error code that it used to check whether the Windows NT User Name is already cached is not cleared properly.



STATUS
Microsoft has confirmed this to a problem in Microsoft Exchange Server, version 4.0. We are researching this problem and will post new information here in the Microsoft Knowledge Base as it becomes available.

Additional query words: IES

Keywords: kbusage KB152926

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