Exchange Server 2007 articles, fixes and updates - letter O

This list contains all of the known Microsoft Knowledge Base articles, howtos, fixes, hotfixes, webcasts and updates of Microsoft Exchange Server 2007 starts with letter O that have been released. The list is daily updated.

• 2990117 Outlook Anywhere users prompted for credentials when they try to connect to Exchange Server 2013 or Exchange Server 2016 Q2990117 KB2990117 January 26, 2021
• 2626707 Outlook connects to the old Exchange server after you move a mailbox from an Exchange Server 2007 server to an Exchange Server 2010 server Q2626707 KB2626707 January 26, 2021
• 2839692 OWA redirection and SSL offloading fail after you install an Exchange Server service pack Q2839692 KB2839692 January 25, 2021
• 2497077 Outlook displays incorrect search results of the GAL in Exchange Server Q2497077 KB2497077 April 30, 2020
• 2784787 Outlook users prompted for credentials when they switch from a LAN to a WAN Q2784787 KB2784787 May 20, 2019
• 977008 "Outlook Web Access encountered an unexpected error and was unable to handle your request" error message when you use the Italian version of the spelling check in Exchange Server 2007 OWA Q977008 KB977008 September 24, 2018
• 2023257 Outlook Web Access: Service always defaults to the Lite version Q2023257 KB2023257 June 21, 2018
• 982463 "Outlook Web Access has disabled this link for your security" error message when you click a link in an e-mail message in Outlook Web Access 2007 Q982463 KB982463 April 19, 2018
• 940726 Outlook 2007 security warning: "The name of the security certificate is invalid or does not match the name of the site" Q940726 KB940726 April 17, 2018
• 978777 Office Outlook 2003 does not connect to two or more additional mailboxes in a mixed Exchange Server 2007 and Exchange Server 2010 environment Q978777 KB978777 February 16, 2017
• 157961 Only one reply is sent to each sender when the Out of Office Assistant is enabled Q157961 KB157961 October 28, 2016
• 3141296 OWA password expiration notification when you use fine-grained password policy Q3141296 KB3141296 February 26, 2016
• 968106 Outlook clients are directed to global catalogs from the wrong domain if you are using a split session configuration in Exchange Server 2007 Service Pack 1 Q968106 KB968106 January 16, 2015
• 967255 Only the tracing information of the last user is logged when you configure Exchange Server 2007 to trace multiple users at the same time Q967255 KB967255 January 16, 2015
• 959431 Outlook 2007 does not open some calendar items that are sent from a non-Exchange mail server to an Exchange mail server Q959431 KB959431 January 16, 2015
• 950758 OVA announces "Unrecognized caller" in an Exchange Server 2007 environment even though Outlook and Outlook Web Access correctly resolve the caller address Q950758 KB950758 January 16, 2015
• 942424 On an Exchange Server 2007-based computer, the Microsoft Exchange Information Store service stops unexpectedly when you start the service or when you mount a database store Q942424 KB942424 January 16, 2015
• 969324 Outlook crashes when you try to use Outlook to view e-mail messages that are arranged by subject in Exchange Server 2007 Service Pack 1 Q969324 KB969324 January 15, 2015
• 960291 Outlook Web Access or an Exchange Web Service application does not correctly display a monthly or yearly recurring appointment or meeting request Q960291 KB960291 January 15, 2015
• 945643 Original Value May Be Deleted When Setting Multi-Value Property in the Exchange Management Shell in Exchange Server 2007 Q945643 KB945643 January 15, 2015
• 944451 Only the entries in the MailSubmission log are returned when you run the Get-MessageTrackingLog cmdlet against an Exchange 2007 server that hosts both the Hub Transport role and the Mailbox role Q944451 KB944451 January 15, 2015
• 969784 Outlook Web Access does not display the body of some digitally signed messages Q969784 KB969784 January 14, 2015
• 2956395 Outgoing RTF email messages are missing embedded images because of OLE conversion Q2956395 KB2956395 October 9, 2014
• 2732525 Outlook keeps prompting you for credentials and incorrectly connects to an out-of-site global catalog after you install Update Rollup 6 for Exchange Server 2007 SP3 Q2732525 KB2732525 September 4, 2013
• 2431925 Office Communicator cannot place calls to the Exchange Unified Messaging Auto Attendant Q2431925 KB2431925 September 3, 2013
• 2872882 "Organization Preparation FAILED" error when you install Exchange Server Q2872882 KB2872882 July 24, 2013
• 905803 Outlook users experience poor performance when they work with a folder that contains many items on a server that is running Exchange Server Q905803 KB905803 April 19, 2013
• 2794253 Outlook Anywhere does not work if IPv6 is enabled on an Exchange Server 2007 multi-role server Q2794253 KB2794253 January 21, 2013
• 2784788 "1635" or "1603" error code when you install update rollups or service packs for Exchange Server 2007 or Exchange Server 2010 Q2784788 KB2784788 November 23, 2012
• 2773786 550 550 5.1.1 or 550 5.7.1 NDR message when an external user sends an email message to a Universal Distribution Group Q2773786 KB2773786 November 8, 2012
• 2617514 Old spelling rules on the Brazilian Portuguese dictionary in OWA in an Exchange Server 2007 SP3 environment Q2617514 KB2617514 June 1, 2012
• 2421244 OWA clients for Exchange Server 2007 on Windows Server 2003 cannot view or send S/MIME messages that use Windows Server 2008 certification authority Q2421244 KB2421244 December 7, 2011
• 982913 Outlook RPC Dialog Box Troubleshooting Q982913 KB982913 October 5, 2011
• 2509623 OWA lite - End users guide Q2509623 KB2509623 July 14, 2011
• 956297 Outlook 2007 unexpectedly connects to an on-premise Exchange Server 2007 server mailbox instead of an Exchange Online server mailbox Q956297 KB956297 July 14, 2011
• 2498156 OLM/OLD incorrectly runs against databases in a RSG in an Exchange Server 2007 environment Q2498156 KB2498156 July 7, 2011
• 2448291 "Object <transport rule name> has been corrupted and it is in an inconsistent state" warning message when you view a transport rule on an Exchange Server 2007 SP3 server Q2448291 KB2448291 March 31, 2011
• 980400 On Exchange Server 2007 or on Exchange Server 2010, e-mail messages seem to disappear when you try to move them to a mailbox folder Q980400 KB980400 March 3, 2010
• 977261 One or more errors occur when you set the Message Access logging level to "Expert" in an Exchange Server 2007 SP2 server Q977261 KB977261 January 22, 2010
• 974155 OWA does not highlight misspelled words in an Exchange Server 2007 CAS proxy environment Q974155 KB974155 January 22, 2010
• 958934 Outlook 2007 crashes or you cannot access OOF settings after you install a package that contains the .NET Framework 3.5 with SP1 and the .NET Framework 2.0 with SP2 on an Exchange 2007 Client Access server or on an Exchange 2010 Client Access server Q958934 KB958934 January 14, 2010
• 972473 Outlook Web Access (OWA) removes the Calendar items for a recurring meeting when you delete the meeting request from the Deleted items folder in Exchange Server 2007 Q972473 KB972473 November 19, 2009
• 973848 On a Windows Server 2008-based computer, Exchange Server 2010 installation cannot be successful at the organization preparation process Q973848 KB973848 July 30, 2009
• 969599 Outlook: Disabling Meeting Regeneration is not recommended as it may cause problems with your calendar Q969599 KB969599 March 27, 2009
• 555842 Outlook 2007 and Exchange 2007 Certificate issue Q555842 KB555842 April 5, 2007
• 934286 Outgoing mail delivery stops working on an Exchange Server 2007 Hub Transport server after you install Forefront Security for Exchange Q934286 KB934286 April 3, 2007