Microsoft KB Archive/273973

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XCON: SMTP Error 80070020 &quot;The Process Cannot Access the File Because It Is Being Used by Another Process&quot;

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Q273973

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The information in this article applies to:


 * Microsoft Exchange 2000 Server
 * Microsoft Windows versions 2000, 2000 SP1 Advanced Server

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SYMPTOMS
The Windows 2000 Advanced Server Simple Mail Transfer Protocol (SMTP) service may stop processing e-mail messages that are submitted by Collaboration Data Objects (CDO) session or other mailers, and the following error message may be displayed:

SMTP ERROR: 80070020: The process cannot access the file because it is being used by another process

CAUSE
This issue can occur if you use Computer Associates ARCserve 2000 Workgroup/Advanced Edition Backup Agent for Open Files version 7.0 for Windows NT and Windows 2000.

RESOLUTION
To resolve this issue, remove the ARCserve 2000 Workgroup/Advanced Edition Backup Agent for Open Files software.

MORE INFORMATION
If you configure the ARCserve 2000 Workgroup/Advanced Edition Backup Agent for Open Files software to exempt the Inetpub folder from scanning, that does not resolve this issue.

The driver shows up in a WinMSD report as:

"ofadriverCA Backup Agent for Open Files Driver\??\c:\ofa\ofant.sys" Contact Computer Associates to address this issue. Please see their website for more information on how to remove:

"http://support.cai.com/techbases/asnt/uninstallasitofa.html"

The third-party products discussed in this article are manufactured by vendors independent of Microsoft; we make no warranty, implied or otherwise, regarding these products' performance or reliability.

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Issue type : kbprb

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