You cannot digitally sign an e-mail message in Outlook Web Access when you log on to a computer that is running Exchange Server 2003 Service Pack 1

You log on to a computer that is running Microsoft Exchange Server 2003 Service Pack 1 (SP1) by using Microsoft Outlook Web Access. You try to digitally sign an e-mail message by using a certificate that is stored in a smart card device. When you do this, an error occurs and you cannot digitally sign the e-mail message in Outlook Web Access.

However, you can still perform the following tasks when you use the same certificate that is stored in the smart card device:

�	Decrypt digitally signed e-mail messages in Outlook Web Access
�	Digitally sign e-mail messages in Microsoft Office Outlook
�	Decrypt digitally signed e-mail messages in Outlook

Hotfix information

A supported hotfix is available from Microsoft. However, this hotfix is intended to correct only the problem that is described in this article. Apply this hotfix only to systems that are experiencing this specific problem. This hotfix might receive additional testing. Therefore, if you are not severely affected by this problem, we recommend that you wait for the next software update that contains this hotfix.

If the hotfix is available for download, there is a "Hotfix download available" section at the top of this Knowledge Base article. If this section does not appear, contact Microsoft Customer Service and Support to obtain the hotfix.

Note If additional issues occur or if any troubleshooting is required, you might have to create a separate service request. The usual support costs will apply to additional support questions and issues that do not qualify for this specific hotfix. For a complete list of Microsoft Customer Service and Support telephone numbers or to create a separate service request, visit the following Microsoft Web site: Note The "Hotfix download available" form displays the languages for which the hotfix is available. If you do not see your language, it is because a hotfix is not available for that language.

Prerequisites

You must have Exchange Server 2003 SP1 installed to apply this hotfix.

Restart requirement

The following services are restarted when you apply this hotfix:

�	Microsoft Exchange Information Store service
�	Microsoft Internet Information Service (IIS) Admin Service
�	Microsoft Search service and all dependent services

Hotfix replacement information

This hotfix does not replace any other hotfix.

File information

The English version of this hotfix has the file attributes (or later file attributes) 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 item in Control Panel.

File name	File version	File size	Date	Time	Platform	SP requirement
Blank.htm	Not applicable	186	16-Aug-2006	22:54	Not applicable	None
Ctrl_calendar.css	Not applicable	1,226	04-May-2005	01:47	Not applicable	None
Ctrl_calendar.htc	Not applicable	8,454	16-Aug-2006	22:54	Not applicable	None
Ctrl_calendar.js	Not applicable	40,024	16-Aug-2006	22:54	Not applicable	None
Ctrl_calendarview.css	Not applicable	5,411	16-Aug-2006	22:54	Not applicable	None
Ctrl_calendarview.htc	Not applicable	12,910	16-Aug-2006	22:54	Not applicable	None
Ctrl_calendarview.js	Not applicable	95,603	16-Aug-2006	22:54	Not applicable	None
Ctrl_calendarviewprn.css	Not applicable	699	04-May-2005	01:47	Not applicable	None
Ctrl_calviewdaily.xsl	Not applicable	12,985	10-Jun-2005	03:13	Not applicable	None
Ctrl_calviewmonthly.xsl	Not applicable	13,112	29-Jan-2006	22:38	Not applicable	None
Ctrl_calviewweekly.xsl	Not applicable	9,359	28-Nov-2005	17:29	Not applicable	None
Ctrl_ctxtmenu.htc	Not applicable	986	16-Aug-2006	22:54	Not applicable	None
Ctrl_ctxtmenu.js	Not applicable	6,281	16-Aug-2006	22:54	Not applicable	None
Ctrl_datepicker.htc	Not applicable	3,565	16-Aug-2006	22:54	Not applicable	None
Ctrl_datepicker.js	Not applicable	44,298	16-Aug-2006	22:54	Not applicable	None
Ctrl_formatbar.htc	Not applicable	6,575	16-Aug-2006	22:54	Not applicable	None
Ctrl_formatbar.js	Not applicable	23,361	16-Aug-2006	22:54	Not applicable	None
Ctrl_freebusy.css	Not applicable	2,187	16-Aug-2006	22:54	Not applicable	None
Ctrl_freebusy.htc	Not applicable	1,349	16-Aug-2006	22:54	Not applicable	None
Ctrl_freebusy.js	Not applicable	41,870	16-Aug-2006	22:54	Not applicable	None
Ctrl_message.htc	Not applicable	3,068	16-Aug-2006	22:54	Not applicable	None
Ctrl_message.js	Not applicable	20,351	16-Aug-2006	22:54	Not applicable	None
Ctrl_mimeformatbar.htc	Not applicable	6,636	16-Aug-2006	22:54	Not applicable	None
Ctrl_mimeformatbar.js	Not applicable	14,160	04-May-2005	01:47	Not applicable	None
Ctrl_notify.htc	Not applicable	1,352	16-Aug-2006	22:54	Not applicable	None
Ctrl_notify.js	Not applicable	675	04-May-2005	01:47	Not applicable	None
Ctrl_poll.js	Not applicable	7,383	04-May-2005	01:47	Not applicable	None
Ctrl_reminder.htc	Not applicable	1,351	16-Aug-2006	22:54	Not applicable	None
Ctrl_reminder.js	Not applicable	11,235	16-Aug-2006	22:54	Not applicable	None
Ctrl_tabpages.htc	Not applicable	864	16-Aug-2006	22:54	Not applicable	None
Ctrl_tabpages.js	Not applicable	2,319	16-Aug-2006	22:54	Not applicable	None
Ctrl_tree.htc	Not applicable	2,736	16-Aug-2006	22:54	Not applicable	None
Ctrl_tree.js	Not applicable	35,047	16-Aug-2006	22:54	Not applicable	None
Ctrl_tree_pf.htc	Not applicable	2,470	16-Aug-2006	22:54	Not applicable	None
Ctrl_tree_pf.js	Not applicable	33,891	16-Aug-2006	22:54	Not applicable	None
Ctrl_tree_pf.xsl	Not applicable	1,909	14-Dec-2004	20:57	Not applicable	None
Ctrl_view.htc	Not applicable	3,115	16-Aug-2006	22:54	Not applicable	None
Ctrl_view.js	Not applicable	98,036	16-Aug-2006	22:54	Not applicable	None
Ctrl_view.xsl	Not applicable	42,533	29-Jan-2006	22:38	Not applicable	None
Davex.dll	6.5.7234.11	1,087,488	16-Aug-2006	23:42	x86	None
Dlg_anr.js	Not applicable	7,874	16-Aug-2006	22:54	Not applicable	None
Dlg_editname.js	Not applicable	8,520	04-May-2005	01:47	Not applicable	None
Dlg_editrule.js	Not applicable	27,738	16-Aug-2006	22:54	Not applicable	None
Dlg_editsignature.js	Not applicable	5,979	16-Aug-2006	22:54	Not applicable	None
Dlg_gal.js	Not applicable	24,936	16-Aug-2006	22:54	Not applicable	None
Dlg_gallookup.js	Not applicable	7,239	04-May-2005	01:47	Not applicable	None
Dlg_junk.js	Not applicable	9,848	16-Aug-2006	22:54	Not applicable	None
Dlg_movecopy.js	Not applicable	6,191	16-Aug-2006	22:54	Not applicable	None
Dlg_newfolder.js	Not applicable	3,752	16-Aug-2006	22:54	Not applicable	None
Dlg_options.js	Not applicable	22,618	16-Aug-2006	22:54	Not applicable	None
Dlg_recurrence.js	Not applicable	23,775	04-May-2005	01:47	Not applicable	None
Dlg_reminder.js	Not applicable	37,119	16-Aug-2006	22:54	Not applicable	None
Dlg_rules.js	Not applicable	11,625	16-Aug-2006	22:54	Not applicable	None
Dlg_spell.js	Not applicable	19,547	16-Aug-2006	22:54	Not applicable	None
Dlg_taskrecurrence.js	Not applicable	27,586	04-May-2005	01:47	Not applicable	None
Dl_appointment.js	Not applicable	11,856	04-May-2005	01:47	Not applicable	None
Dl_composeapptrecurr.js	Not applicable	9,381	04-May-2005	01:47	Not applicable	None
Dl_composecommon.js	Not applicable	5,117	16-Aug-2006	22:54	Not applicable	None
Dl_composetaskrecurr.js	Not applicable	17,561	04-May-2005	01:47	Not applicable	None
Dl_contact.js	Not applicable	8,180	16-Aug-2006	22:54	Not applicable	None
Dl_folderview.js	Not applicable	5,208	04-May-2005	01:47	Not applicable	None
Dl_junk.js	Not applicable	5,040	16-Aug-2006	22:54	Not applicable	None
Dl_misc.js	Not applicable	9,340	16-Aug-2006	22:54	Not applicable	None
Dl_options.js	Not applicable	6,917	16-Aug-2006	22:54	Not applicable	None
Dl_task.js	Not applicable	19,638	16-Aug-2006	22:54	Not applicable	None
Exoledb.dll	6.5.7234.11	2,570,752	16-Aug-2006	23:42	x86	None
Frm_attach.js	Not applicable	5,508	16-Aug-2006	22:54	Not applicable	None
Frm_composeappt.js	Not applicable	37,810	16-Aug-2006	22:54	Not applicable	None
Frm_composecdl.js	Not applicable	17,279	16-Aug-2006	22:54	Not applicable	None
Frm_composecontact.js	Not applicable	35,874	16-Aug-2006	22:54	Not applicable	None
Frm_composenote.js	Not applicable	18,885	16-Aug-2006	22:54	Not applicable	None
Frm_composepost.js	Not applicable	13,265	16-Aug-2006	22:54	Not applicable	None
Frm_composetask.js	Not applicable	41,156	16-Aug-2006	22:54	Not applicable	None
Frm_forwardmeeting.js	Not applicable	8,018	16-Aug-2006	22:54	Not applicable	None
Frm_logoff.js	Not applicable	696	04-May-2005	01:47	Not applicable	None
Frm_mimecommon.js	Not applicable	34,114	16-Aug-2006	22:54	Not applicable	None
Frm_mimenote.js	Not applicable	63,088	16-Aug-2006	22:54	Not applicable	None
Frm_mimepreviewpane.js	Not applicable	5,827	16-Aug-2006	22:54	Not applicable	None
Frm_previewpane.js	Not applicable	3,815	16-Aug-2006	22:54	Not applicable	None
Frm_readappt.js	Not applicable	16,003	16-Aug-2006	22:54	Not applicable	None
Frm_readnote.js	Not applicable	7,705	16-Aug-2006	22:54	Not applicable	None
Frm_readpost.js	Not applicable	6,479	16-Aug-2006	22:54	Not applicable	None
Frm_readreports.js	Not applicable	4,418	16-Aug-2006	22:54	Not applicable	None
Frm_readtask.js	Not applicable	6,727	16-Aug-2006	22:54	Not applicable	None
Mdbmsg.dll	6.5.7234.11	3,269,632	16-Aug-2006	22:53	x86	None
Owaauth.dll	6.5.7234.11	67,584	16-Aug-2006	22:50	x86	None
Owaprint.css	Not applicable	2,696	16-Aug-2006	22:54	Not applicable	None
Owastyle.css	Not applicable	13,586	16-Aug-2006	22:54	Not applicable	None
Owastyledl.css	Not applicable	2,187	16-Aug-2006	22:54	Not applicable	None
Redir.asp	Not applicable	3,304	04-Jun-2005	01:56	Not applicable	None
Setupmcl.exe	5.3.18.6	317,256	17-Aug-2006	01:03	x86	None
Sps.css	Not applicable	1,399	04-May-2005	01:47	Not applicable	None
Store.exe	6.5.7234.11	5,200,896	16-Aug-2006	23:26	x86	None
Style-chs30.css	Not applicable	394	04-May-2005	01:47	Not applicable	None
Style-cht30.css	Not applicable	381	04-May-2005	01:47	Not applicable	None
Style-jpn30.css	Not applicable	400	16-Aug-2006	22:54	Not applicable	None
Style-kor30.css	Not applicable	378	04-May-2005	01:47	Not applicable	None
Style-large30.css	Not applicable	382	04-May-2005	01:47	Not applicable	None
Style30.css	Not applicable	382	04-May-2005	01:47	Not applicable	None
Tf_galfind.xsl	Not applicable	6,941	14-Dec-2004	20:57	Not applicable	None
Tf_messages.xsl	Not applicable	11,610	14-Dec-2004	20:57	Not applicable	None
Tf_twoline.xsl	Not applicable	10,677	14-Dec-2004	20:57	Not applicable	None
Util_addrval.js	Not applicable	2,114	16-Aug-2006	22:54	Not applicable	None
Util_buttons.js	Not applicable	6,606	16-Aug-2006	22:54	Not applicable	None
Util_calendar.js	Not applicable	4,508	16-Aug-2006	22:54	Not applicable	None
Util_calmessaging.htc	Not applicable	877	16-Aug-2006	22:54	Not applicable	None
Util_calmessaging.js	Not applicable	10,443	16-Aug-2006	22:54	Not applicable	None
Util_forms.js	Not applicable	26,231	16-Aug-2006	22:54	Not applicable	None
Util_mimemsg.js	Not applicable	11,125	16-Aug-2006	22:54	Not applicable	None
Util_owa.js	Not applicable	23,443	16-Aug-2006	22:54	Not applicable	None
Util_recipients.js	Not applicable	18,637	16-Aug-2006	22:54	Not applicable	None
Util_view.js	Not applicable	37,676	16-Aug-2006	22:54	Not applicable	None
View-webpage.gif	Not applicable	598	29-Jan-2006	20:50	Not applicable	None
Vw_calendar.js	Not applicable	9,846	16-Aug-2006	22:54	Not applicable	None
Vw_calendarpart.css	Not applicable	1,401	16-Aug-2006	22:54	Not applicable	None
Vw_calendarpart.js	Not applicable	830	16-Aug-2006	22:54	Not applicable	None
Vw_contact.js	Not applicable	2,451	16-Aug-2006	22:54	Not applicable	None
Vw_dumpster.js	Not applicable	3,256	16-Aug-2006	22:54	Not applicable	None
Vw_message.js	Not applicable	14,701	16-Aug-2006	22:54	Not applicable	None
Vw_messagepart.js	Not applicable	1,957	04-May-2005	01:47	Not applicable	None
Vw_navbar.js	Not applicable	46,456	16-Aug-2006	22:54	Not applicable	None
Vw_search.js	Not applicable	10,433	16-Aug-2006	22:54	Not applicable	None
Vw_task.js	Not applicable	7,180	16-Aug-2006	22:54	Not applicable	None
Vw_taskpart.js	Not applicable	4,625	16-Aug-2006	22:54	Not applicable	None
Wmtemplates.dll	6.5.7234.11	5,181,440	16-Aug-2006	22:53	x86	None
Logoff.asp	Not applicable	11,221	10-Mar-2005	04:52	Not applicable	None
Logon.asp	Not applicable	28,450	10-Mar-2005	04:52	Not applicable	None
Logon.asp	Not applicable	28,750	10-Mar-2005	05:29	Not applicable	None
Logon.asp	Not applicable	28,749	10-Mar-2005	04:57	Not applicable	None
Logon.asp	Not applicable	28,990	10-Mar-2005	05:27	Not applicable	None
Logon.asp	Not applicable	28,002	10-Mar-2005	04:45	Not applicable	None
Logon.asp	Not applicable	28,023	10-Mar-2005	04:49	Not applicable	None
Logon.asp	Not applicable	28,798	10-Mar-2005	05:15	Not applicable	None
Logon.asp	Not applicable	28,728	10-Mar-2005	05:17	Not applicable	None
Logon.asp	Not applicable	28,849	10-Mar-2005	05:00	Not applicable	None
Logon.asp	Not applicable	28,902	10-Mar-2005	05:02	Not applicable	None
Logon.asp	Not applicable	29,145	10-Mar-2005	04:25	Not applicable	None
Logon.asp	Not applicable	29,067	10-Mar-2005	04:21	Not applicable	None
Logon.asp	Not applicable	29,210	10-Mar-2005	05:05	Not applicable	None
Logon.asp	Not applicable	28,360	10-Mar-2005	04:55	Not applicable	None
Logon.asp	Not applicable	29,170	10-Mar-2005	05:25	Not applicable	None
Logon.asp	Not applicable	29,014	10-Mar-2005	04:28	Not applicable	None
Logon.asp	Not applicable	28,883	10-Mar-2005	04:36	Not applicable	None
Logon.asp	Not applicable	28,612	10-Mar-2005	04:40	Not applicable	None
Logon.asp	Not applicable	28,735	10-Mar-2005	05:19	Not applicable	None
Logon.asp	Not applicable	28,922	10-Mar-2005	05:08	Not applicable	None
Logon.asp	Not applicable	28,898	10-Mar-2005	05:10	Not applicable	None
Logon.asp	Not applicable	28,911	10-Mar-2005	05:21	Not applicable	None
Logon.asp	Not applicable	28,873	10-Mar-2005	04:32	Not applicable	SPA
Logon.asp	Not applicable	28,762	10-Mar-2005	05:14	Not applicable	None
Logon.asp	Not applicable	28,822	10-Mar-2005	05:23	Not applicable	None
Logon.asp	Not applicable	28,622	29-Jan-2006	22:38	Not applicable	None
Logoff.asp	Not applicable	11,290	10-Mar-2005	05:29	Not applicable	None
Logoff.asp	Not applicable	11,288	10-Mar-2005	04:57	Not applicable	None
Logoff.asp	Not applicable	11,325	10-Mar-2005	05:27	Not applicable	None
Logoff.asp	Not applicable	11,161	10-Mar-2005	04:45	Not applicable	None
Logoff.asp	Not applicable	11,160	10-Mar-2005	04:49	Not applicable	None
Logoff.asp	Not applicable	11,316	10-Mar-2005	05:15	Not applicable	None
Logoff.asp	Not applicable	11,306	10-Mar-2005	05:17	Not applicable	None
Logoff.asp	Not applicable	11,317	10-Mar-2005	05:00	Not applicable	None
Logoff.asp	Not applicable	11,280	10-Mar-2005	05:02	Not applicable	None
Logoff.asp	Not applicable	11,362	10-Mar-2005	04:25	Not applicable	None
Logoff.asp	Not applicable	11,349	10-Mar-2005	04:21	Not applicable	None
Logoff.asp	Not applicable	11,408	10-Mar-2005	05:05	Not applicable	None
Logoff.asp	Not applicable	11,237	10-Mar-2005	04:55	Not applicable	None
Logoff.asp	Not applicable	11,351	10-Mar-2005	05:25	Not applicable	None
Logoff.asp	Not applicable	11,329	10-Mar-2005	04:28	Not applicable	None
Logoff.asp	Not applicable	11,325	10-Mar-2005	04:36	Not applicable	None
Logoff.asp	Not applicable	11,277	10-Mar-2005	04:40	Not applicable	None
Logoff.asp	Not applicable	11,284	10-Mar-2005	05:19	Not applicable	None
Logoff.asp	Not applicable	11,324	10-Mar-2005	05:08	Not applicable	None
Logoff.asp	Not applicable	11,293	10-Mar-2005	05:10	Not applicable	None
Logoff.asp	Not applicable	11,305	10-Mar-2005	05:21	Not applicable	None
Logoff.asp	Not applicable	11,307	10-Mar-2005	04:32	Not applicable	SPA
Logoff.asp	Not applicable	11,316	10-Mar-2005	05:14	Not applicable	None
Logoff.asp	Not applicable	11,330	10-Mar-2005	05:23	Not applicable	None
Logoff.asp	Not applicable	11,282	29-Jan-2006	22:38	Not applicable	None

Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.

For more information, click the following article numbers to view the articles in the Microsoft Knowledge Base: