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Former Member
Feb 19, 2011 at 10:10 PM

Error when exporting reports using MAPI

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We created a .NET class that wraps CR 2010 .NET Crystal Reports functions and made it COM visible. This class is used to create a COM object in a js script which in turn used to export reports to a PDF file with the destination MAPI.

It exports reports just fine without any errors however if prior to instantiation the exporting class we instantiate a class that has nothing to do with the Crystal Reports functions, our exporting object throws u201CExternal component has thrown an exception.u201D error when exporting. It appears that it has something to do with the SideBySide feature. I was wondering if somebody knows what causes this and if there is a way to fix this problem.

Thanks for your help!

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Below are 2 procmon.exe outputs, the first when exporting works and the second when it doesnu2019t

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1) Procmon.exe output when exporting works fine

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<br>HKLM\Software\Wow6432Node\Microsoft\Windows\CurrentVersion SUCCESS Desired Access: Read

<br>HKLM\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion SUCCESS KeySetInformationClass: KeySetHandleTagsInformation, Length: 0

<br>HKLM\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\CommonFilesDir SUCCESS Type: REG_SZ, Length: 72, Data: C:\Program Files (x86)\Common Files

<br>HKLM\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion SUCCESS

<br>C:\Program Files (x86)\Common Files\microsoft shared\OFFICE12\MSO.DLL FAST IO DISALLOWED

<br>C:\Program Files (x86)\Common Files\microsoft shared\OFFICE12\MSO.DLL SUCCESS Desired Access: Read Attributes, Disposition: Open, Options: Open Reparse Point, Attributes: n/a, ShareMode: Read, Write, Delete, AllocationSize: n/a, OpenResult: Opened

<br>7:16:30.7403615 AM test.exe 4396 FASTIO_QUERY_INFORMATION C:\Program Files (x86)\Common Files\Microsoft Shared\OFFICE12\MSO.DLL SUCCESS Type: QueryBasicInformationFile, CreationTime: 9/17/2010 10:50:22 AM, LastAccessTime: 11/10/2010 5:47:02 PM, LastWriteTime: 9/17/2010 10:50:22 AM, ChangeTime: 2/17/2011 11:04:53 AM, FileAttributes: A

<br>C:\Program Files (x86)\Common Files\Microsoft Shared\OFFICE12\MSO.DLL SUCCESS

<br>C:\Program Files (x86)\Common Files\Microsoft Shared\OFFICE12\MSO.DLL SUCCESS

<br>C:\Program Files (x86)\Common Files\microsoft shared\OFFICE12\MSO.DLL SUCCESS Desired Access: Read Data/List Directory, Execute/Traverse, Synchronize, Disposition: Open, Options: Synchronous IO Non-Alert, Non-Directory File, Attributes: n/a, ShareMode: Read, Delete, AllocationSize: n/a, OpenResult: Opened

<br>C:\Program Files (x86)\Common Files\Microsoft Shared\OFFICE12\MSO.DLL FILE LOCKED WITH ONLY READERS SyncType: SyncTypeCreateSection, PageProtection:

<br>C:\Program Files (x86)\Common Files\Microsoft Shared\OFFICE12\MSO.DLL SUCCESS

<br>C:\Program Files (x86)\Common Files\Microsoft Shared\OFFICE12\MSO.DLL SUCCESS

<br>C:\Program Files (x86)\Common Files\Microsoft Shared\OFFICE12\MSO.DLL SUCCESS

<br>C:\Program Files (x86)\Common Files\Microsoft Shared\OFFICE12\MSO.DLL SUCCESS SyncType: SyncTypeOther

<br>C:\Program Files (x86)\Common Files\Microsoft Shared\OFFICE12\MSO.DLL SUCCESS

<br>C:\Program Files (x86)\Common Files\microsoft shared\OFFICE12\MSO.DLL SUCCESS Image Base: 0x79260000, Image Size: 0x1073000

<br>C:\Program Files (x86)\Common Files\Microsoft Shared\OFFICE12\MSO.DLL SUCCESS Type: QueryNameInformationFile, Name: \Program Files (x86)\Common Files\microsoft shared\OFFICE12\MSO.DLL

<br>C:\Program Files (x86)\Common Files\microsoft shared\OFFICE12\MSO.DLL SUCCESS Desired Access: Generic Read, Disposition: Open, Options: Synchronous IO Non-Alert, Attributes: n/a, ShareMode: Read, Write, Delete, AllocationSize: n/a, OpenResult: Opened

<br>C:\Program Files (x86)\Common Files\Microsoft Shared\OFFICE12\MSO.DLL SUCCESS

<br>C:\Program Files (x86)\Common Files\Microsoft Shared\OFFICE12\MSO.DLL SUCCESS

<br>HKLM\Software\Wow6432Node\Microsoft\Windows\CurrentVersion\SideBySide SUCCESS Desired Access: Read

<br>HKLM\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\SideBySide SUCCESS KeySetInformationClass: KeySetHandleTagsInformation, Length: 0

<br>HKLM\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\SideBySide\PreferExternalManifest NAME NOT FOUND Length: 20

<br>HKLM\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\SideBySide SUCCESS

<br>C:\Program Files (x86)\Common Files\microsoft shared\OFFICE12\MSO.DLL SUCCESS Desired Access: Generic Read, Disposition: Open, Options: Synchronous IO Non-Alert, Non-Directory File, Attributes: n/a, ShareMode: Read, Delete, AllocationSize: n/a, OpenResult: Opened

<br>C:\Program Files (x86)\Common Files\Microsoft Shared\OFFICE12\MSO.DLL SUCCESS Type: QueryBasicInformationFile, CreationTime: 9/17/2010 10:50:22 AM, LastAccessTime: 11/10/2010 5:47:02 PM, LastWriteTime: 9/17/2010 10:50:22 AM, ChangeTime: 2/17/2011 11:04:53 AM, FileAttributes: A

<br>C:\Program Files (x86)\Common Files\Microsoft Shared\OFFICE12\MSO.DLL SUCCESS

<br>C:\Program Files (x86)\Common Files\Microsoft Shared\OFFICE12\MSO.DLL SUCCESS

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<br>2) Procmon.exe output when exporting doesnu2019t work, notice that it tries to open MSO.dll at the same location as in the output above but fails, it tries then to open it at several other locations and fails

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<br>HKLM\Software\Wow6432Node\Microsoft\Windows\CurrentVersion SUCCESS Desired Access: Read

<br>HKLM\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion SUCCESS KeySetInformationClass: KeySetHandleTagsInformation, Length: 0

<br>HKLM\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\CommonFilesDir SUCCESS Type: REG_SZ, Length: 72, Data: C:\Program Files (x86)\Common Files

<br>HKLM\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion SUCCESS

<br>C:\Program Files (x86)\Common Files\microsoft shared\OFFICE12\MSO.DLL FAST IO DISALLOWED

<br>C:\Program Files (x86)\Common Files\microsoft shared\OFFICE12\MSO.DLL SUCCESS Desired Access: Read Attributes, Disposition: Open, Options: Open Reparse Point, Attributes: n/a, ShareMode: Read, Write, Delete, AllocationSize: n/a, OpenResult: Opened

<br>C:\Program Files (x86)\Common Files\Microsoft Shared\OFFICE12\MSO.DLL SUCCESS Type: QueryBasicInformationFile, CreationTime: 9/17/2010 10:50:22 AM, LastAccessTime: 11/10/2010 5:47:02 PM, LastWriteTime: 9/17/2010 10:50:22 AM, ChangeTime: 2/17/2011 11:04:53 AM, FileAttributes: A

<br>C:\Program Files (x86)\Common Files\Microsoft Shared\OFFICE12\MSO.DLL SUCCESS

<br>C:\Program Files (x86)\Common Files\Microsoft Shared\OFFICE12\MSO.DLL SUCCESS

<br>C:\Program Files (x86)\Common Files\microsoft shared\OFFICE12\MSO.DLL SUCCESS Desired Access: Read Data/List Directory, Execute/Traverse, Synchronize, Disposition: Open, Options: Synchronous IO Non-Alert, Non-Directory File, Attributes: n/a, ShareMode: Read, Delete, AllocationSize: n/a, OpenResult: Opened

<br>C:\Program Files (x86)\Common Files\Microsoft Shared\OFFICE12\MSO.DLL FILE LOCKED WITH ONLY READERS SyncType: SyncTypeCreateSection, PageProtection:

<br>C:\Program Files (x86)\Common Files\Microsoft Shared\OFFICE12\MSO.DLL SUCCESS

<br>C:\Program Files (x86)\Common Files\Microsoft Shared\OFFICE12\MSO.DLL SUCCESS

<br>C:\Program Files (x86)\Common Files\Microsoft Shared\OFFICE12\MSO.DLL SUCCESS

<br>C:\Program Files (x86)\Common Files\Microsoft Shared\OFFICE12\MSO.DLL SUCCESS SyncType: SyncTypeOther

<br>C:\Program Files (x86)\Common Files\Microsoft Shared\OFFICE12\MSO.DLL SUCCESS

<br>C:\Program Files (x86)\Common Files\Microsoft Shared\OFFICE12\MSO.DLL SUCCESS

<br>C:\Program Files (x86)\Common Files\Microsoft Shared\OFFICE12\MSO.DLL SUCCESS

<br>C:\Users\Paul\projects\temp\test\Debug\MSO.dll FAST IO DISALLOWED

<br>C:\Users\Paul\projects\temp\test\Debug\MSO.dll NAME NOT FOUND Desired Access: Read Attributes, Disposition: Open, Options: Open Reparse Point, Attributes: n/a, ShareMode: Read, Write, Delete, AllocationSize: n/a

<br>C:\Program Files (x86)\Microsoft Office\Office12\MSO.dll FAST IO DISALLOWED

<br>C:\Program Files (x86)\Microsoft Office\Office12\MSO.dll NAME NOT FOUND Desired Access: Read Attributes, Disposition: Open, Options: Open Reparse Point, Attributes: n/a, ShareMode: Read, Write, Delete, AllocationSize: n/a

<br>C:\Windows\SysWOW64\MSO.dll FAST IO DISALLOWED

<br>C:\Windows\SysWOW64\MSO.dll NAME NOT FOUND Desired Access: Read Attributes, Disposition: Open, Options: Open Reparse Point, Attributes: n/a, ShareMode: Read, Write, Delete, AllocationSize: n/a

<br>C:\Windows\system\MSO.dll FAST IO DISALLOWED

<br>C:\Windows\system\MSO.dll NAME NOT FOUND Desired Access: Read Attributes, Disposition: Open, Options: Open Reparse Point, Attributes: n/a, ShareMode: Read, Write, Delete, AllocationSize: n/a

<br>C:\Windows\MSO.dll FAST IO DISALLOWED

<br>C:\Windows\MSO.dll NAME NOT FOUND Desired Access: Read Attributes, Disposition: Open, Options: Open Reparse Point, Attributes: n/a, ShareMode: Read, Write, Delete, AllocationSize: n/a