Microsoft KB Archive/833908

= Information store may unexpectedly stop responding, and the databases may appear to dismount, and clients may not be able to connect to the server =

Article ID: 833908

Article Last Modified on 10/26/2006

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APPLIES TO


 * Microsoft Exchange 2000 Server Standard Edition
 * Microsoft Exchange 2000 Enterprise Server

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SYMPTOMS
In Microsoft Exchange 2000 Server, the information store may unexpectedly stop responding, and the databases may appear to dismount. Clients may not be able to connect to the server.



CAUSE
This problem occurs if the DSAccess component incorrectly calculates the timeout value of a Lightweight Directory Access Protocol (LDAP) session. The DSAccess component incorrectly uses milliseconds instead of seconds when it uses the ldap_set_option function to set the LDAP_OPT_SEND_TIMEOUT value. For example, instead of setting the LDAP_OPT_SEND_TIMEOUT value to 30 seconds, the DSAccess component sets the LDAP_OPT_SEND_TIMEOUT value to 30,000 seconds.



Hotfix information
A supported hotfix 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 hotfix may receive additional testing. Therefore, if you are not severely affected by this problem, we recommend that you wait for the next Microsoft Exchange Server 2003 service pack that contains this hotfix.

To resolve this problem immediately, contact Microsoft Product Support Services to obtain the hotfix. For a complete list of Microsoft Product Support Services telephone numbers and information about support costs, visit the following Microsoft Web site:

http://support.microsoft.com/contactus/?ws=support

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: DSAccess

Note Because of file dependencies, this update requires Microsoft 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

File information
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 --- 28-Oct-2003 04:17  6.0.6527.0    3,915,776  Cdoex.dll 28-Oct-2003 04:12  6.0.6527.0      851,968  Davex.dll 28 Oct-2003 04:12  6.0.6527.0       53,248  Davexpc.dll 28-Oct-2003 04:08  6.0.6527.0      131,072  Drviis.dll 28-Oct-2003 04:08  6.0.6527.0      577,536  Dsaccess.dll 28-Oct-2003 03:18  6.0.6527.0      184,320  Dscmsg.dll 28-Oct-2003 03:18  6.0.6527.0      962,560  Emsmdb32.dll 28-Oct-2003 04:11  6.0.6527.0    2,179,072  Ese.dll 28-Oct-2003 04:11  6.0.6527.0       40,960  Eseperf.dll 28-Oct-2003 04:17  6.0.6527.0    3,575,808  Excdo.dll 28-Oct-2003 04:07  6.0.6527.0       90,112  Eximap4.dll 28-Oct-2003 04:09  6.0.6527.0      262,144  Exmime.dll 28-Oct-2003 02:57  6.0.6527.0      176,128  Exnntp.dll 28-Oct-2003 04:12  6.0.6527.0      143,360  Exodbesh.dll 28-Oct-2003 04:12  6.0.6527.0       57,344  Exodbpc.dll 28-Oct-2003 04:12  6.0.6527.0      200,704  Exodbprx.dll 28-Oct-2003 04:12  6.0.6527.0    2,179,072  Exoledb.dll 28-Oct-2003 04:06  6.0.6527.0       81,920  Exosal.dll 28-Oct-2003 04:08  6.0.6527.0       32,768  Expop3.dll 28-Oct-2003 04:08  6.0.6527.0       32,768  Exproto.dll 28-Oct-2003 04:12  6.0.6527.0      307,200  Exprox.dll 28-Oct-2003 04:12  6.0.6527.0      315,392  Exsmtp.dll 28-Oct-2003 03:23  6.0.6527.0      675,840  Exwform.dll 28-Oct-2003 02:58  6.0.6527.0      180,224  Exwin32.dll 28-Oct-2003 03:21  6.0.6527.0       40,960  Febecfg.dll 28-Oct-2003 04:08  6.0.6527.0       32,768  Iisif.dll 28-Oct-2003 04:09  6.0.6527.0      135,168  Iisproto.dll 28-Oct-2003 04:09  6.0.6527.0       61,440  Imap4be.dll 28-Oct-2003 03:24  6.0.6527.0      319,488  Imap4evt.dll 28-Oct-2003 03:22  6.0.6527.0      126,976  Imap4fe.dll 28-Oct-2003 04:08  6.0.6527.0      126,976  Imap4svc.dll 28-Oct-2003 04:09  6.0.6527.0       40,960  Jcb.dll 28-Oct-2003 02:58  6.0.6527.0       49,152  Mdbevent.dll 28-Oct-2003 03:15  6.0.6527.0    2,285,568  Mdbmsg.dll 28-Oct-2003 03:00  6.0.6527.0       32,768  Mdbrole.dll 28-Oct-2003 03:18  6.0.6527.0      909,312  Mdbsz.dll 28-Oct-2003 04:09  6.0.6527.0       24,576  Mdbtask.dll 28-Oct-2003 02:57  6.0.6527.0      151,552  Nntpex.dll 28-Oct-2003 04:04  6.0.6527.0       94,208  Peexch50.dll 28-Oct-2003 04:06  6.0.6527.0      397,312  Phatcat.dll 28-Oct-2003 04:08  6.0.6527.0       36,864  Pop3be.dll 28-Oct-2003 03:24  6.0.6527.0      303,104  Pop3evt.dll 28-Oct-2003 03:23  6.0.6527.0       24,576  Pop3fe.dll 28-Oct-2003 04:06  6.0.6527.0       73,728  Pop3svc.dll 28-Oct-2003 03:24  6.0.6527.0      163,840  Protomsg.dll 28-Oct-2003 04:09  6.0.6527.0      532,480  Reapi.dll 28-Oct-2003 04:12  6.0.6527.0      311,296  Resvc.dll 28-Oct-2003 03:23  6.0.6527.0    3,735,552  Wmtemplates.dll 28-Oct-2003 03:21  6.0.6527.0      143,360  Exschema.exe 28-Oct-2003 04:07  6.0.6527.0    4,661,248  Store.exe 28-Oct-2003 04:11                  391,634  Eseperf.ini



STATUS
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the &quot;Applies to&quot; section.

Keywords: kbhotfixserver kbqfe kbqfe kbfix kbexchange2000presp4fix kbbug KB833908

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