Article ID: 821382
Article Last Modified on 10/26/2006
APPLIES TO
- Microsoft Exchange 2000 Server Standard Edition
SYMPTOMS
When you try to create a new Network News Transfer Protocol (NNTP) virtual directory by using an Exchange 2000 public folder as the NNTP anchor folder, the Information Store process (Store.exe) may quit unexpectedly. You may not be able to publish a public folder by using an NNTP virtual directory. Store.exe may fail silently without generating an error.
CAUSE
This problem occurs if a public folder has a very large number of security permissions assigned to it. In Exchange 2000, security descriptors are used to describe security permissions that are assigned to a public folder. Many security permissions can contribute to large security descriptors. When the NNTP virtual server tries to copy the security descriptor from the public folder into a buffer, the NNTP virtual server does not verify that the buffer is large enough for the size of the security descriptor. Because of this, If the security descriptor is too large for the buffer, Store.exe may fail.
RESOLUTION
Cumulative Rollup Information
To resolve this problem, obtain the September 2003 Exchange 2000 Server Post-Service Pack 3 (SP3) Rollup. For additional information, click the following article number to view the article in the Microsoft Knowledge Base:
824282 September 2003 Exchange 2000 Server Post-Service Pack 3 Rollup
Hotfix Information
A supported fix is now available from Microsoft, but it is only intended to correct the problem that is described in this article. Only apply it to systems that are experiencing this specific problem. This fix may receive additional testing. Therefore, if you are not severely affected by this problem, Microsoft recommends that you wait for the next Exchange 2000 Server service pack that contains this fix.
To resolve this problem immediately, contact Microsoft Product Support Services to obtain the fix. For a complete list of Microsoft Product Support Services phone numbers and information about support costs, visit the following Microsoft Web site:
Note In special cases, charges that are ordinarily incurred for support calls may be canceled if a Microsoft Support Professional determines that a specific update will resolve your problem. The usual support costs will apply to additional support questions and issues that do not qualify for the specific update in question.
Component: Information store
The English version of this hotfix has the file attributes (or later) that are listed in the following table. The dates and times for these files are listed in coordinated universal time (UTC). When you view the file information, it is converted to local time. To find the difference between UTC and local time, use the Time Zone tab in the Date and Time tool in Control Panel.
Date Time Version Size File name --------------------------------------------------------- 30-May-2003 20:27 6.0.6470.0 176,128 Exnntp.dll 30-May-2003 20:27 6.0.6470.0 151,552 Nntpex.dll
Note Because of file dependencies, this update requires Exchange 2000 Server Service Pack 3 (SP3). For additional information, click the following article number to view the article in the Microsoft Knowledge Base:
301378 How to Obtain the Latest Exchange 2000 Server Service Pack
WORKAROUND
To work around this problem, reduce the overall size of the security descriptors on the public folder that you want to publish by using NNTP. To do this, change the top-level public folder permissions to remove all unnecessary role holders, and then propagate these new permissions to the sub-folders.
STATUS
Microsoft has confirmed that this is a bug in the Microsoft products that are listed at the beginning of this article.
MORE INFORMATION
Even after you install the fix that this article describes, if the security descriptors for the public folder are too large, NNTP cannot host the public folders. NNTP then unsuccessfully tries to rebuild the NNTP indexes and generates an error. However, the information store does not stop responding (crash).
Additional query words: kbExchange2000preSP4septbarFix
Keywords: kbhotfixserver kbqfe kbqfe kbfix kbexchange2000presp4fix kbbug KB821382
