Important
For general information and recommended prerequisites see the Microsoft Cloud Infrastructure Optimization.

Note
There is an RSS feed for the Most Recent KBs for Office 365.

Office 365 licensing

• Office 365 License Reporting
• Problems in reassigning licenses while you switch plans in Office 365
• Bulk Enable Office 365 License Options
• Bulk Migrate Office 365 Licenses

Office 365 billing

• Manage Microsoft Office billing options

Network

• Using the Microsoft Connectivity Analyzer Tool
• General speed test and port requirements - You cannot connect to Lync Online or Lync Online Preview, or certain features do not work, because an on-premises firewall blocks the connection
• Using Lync Online - Transport Reliability IP Probe (TRIPP Tool)           

DNS

• "Verification DNS record not found" or "Sorry, we can't find the record you created" error message when you try to verify a domain in Office 365

Provisioning

• Windows Azure Active Directory Graph Team blog

• "Setting up ... this may take a few minutes" or "provisioning..." messages in Office 365
• An Office 365 user or an Office 365 administrator forgot his or her password
• You receive the following error message in the Office 365 portal: "A user with this name already exists. Use a different name."(added 2013/02/08)
• Error message when you try to create a user name that contains a special character in Office 365: "Invalid user name"

Authentication

Microsoft Identities

• "Sorry, you can't change your password here" error message when users try to change their password in Office 365

Federated authentication

• Office 365 SSO Content Map

Federated authentication Planning

• How to deploy AD FS in Windows Server 2012 R2

Federated authentication Configuring

• Implications of using AD FS 2.0 to implement single sign-on in Office 365
• How to configure user passwords to never expire in Office 365
• "<Domain_Name> has already been verified for your account, or for another Microsoft Online Services account" error message when you try to verify a domain in Office 365
• How to update or to repair the configuration of the Office 365 federated domain (added 2013/1/1)
• How to troubleshoot computer issues that limit Office 365 rich client authentication
• Internet browser cannot display the AD FS 2.0 webpage when a federated user tries to sign in to Office 365 web resources

Federated authentication Customizing

• Customizing the AD FS Sign-in Pages

Federated authentication Troubleshooting

• You can't assign a federated domain to a user in the Office 365 portal
• Troubleshoot domain verification issues in Office 365
• "Domain is the primary/default domain" or "You cannot delete the default domain" error when you try to remove a domain from Office 365
• "Domain has associated subdomains" or "You cannot remove a domain that has subdomains" error when you try to remove a domain from Office 365
• Error when you try to add a subdomain to an existing domain in Office 365: "New-MsolDomain: Unable to add this domain"
• Users can no longer access Office 365 after you run the convert-MSOLDomaintoFederated cmdlet to convert an existing domain
• Federated users can't access Office 365 services as a different user
• "There is a problem with this website's security certificate" error when a federated user signs out of Office 365 (added 2013/05/14)
• A federated user is prompted unexpectedly to enter their credentials when they access an Office 365 resource
• A federated user is repeatedly prompted for credentials when he or she connects to the AD FS 2.0 service endpoint during Office 365 sign-in
• Error message from AD FS 2.0 when a federated user signs in to Office 365: "There was a problem accessing the site"
• A user can't connect to Office 365 services by using his or her email address
• Troubleshoot identity federation implementation in Office 365
• How to use the Microsoft Online Services Diagnostics and Logging (MOSDAL) Support Toolkit to diagnose identity federation issues in Office 365
• [SDP 3][843d4ce7-d839-4d08-a5a6-aa83c78e1197] Description of the Microsoft Online Services Diagnostics and Logging (MOSDAL) Package
• Error when you use the MOSDAL Support Toolkit to perform a DNS lookup to retrieve the Host (A) record in Office 365: "Host name could not be resolved in DNS"

Office 365 sign in agent

• Office 365 sign in agent download
• Office 365 sign in agent debug tracing
• "The error must be resolved before your subscription can be verified" and "80048849" errors when you try to sign in to the Microsoft Online Services Sign In Assistant
• How to use MOSDAL to enable a trace for the Microsoft Online Services Sign-in Assistant to troubleshoot rich client authentication issues

Directory Synchronization

Directory Synchronization Planning

• Dirsync/WAAD Password Sync Frequently Asked Questions
• How to request a Directory Service quota increase in Office 365 when you receive the "This company has exceeded the number of objects that can be synchronized"
• List of attributes that are synchronized to Office 365 and attributes that are written back to the on-premises Active Directory Domain Services

Directory Synchronization Installation

• Install or upgrade the Directory Sync tool
• Windows Azure Active Directory Sync tool - Version Release History

Directory Synchronization Configuring

• Configure filtering for directory synchronization (added 2013/02/05)

Directory Synchronization Troubleshooting

• Deployment of Directory Synchronization forum

• Error when you run the Windows Azure Active Directory Sync Tool Configuration Wizard in Office 365: "Error 15: DirSync not activated"
• Changes aren't synchronized to Office 365 after you update the UPN of an on-premises user account to use a different SSO-enabled domain suffix (added 2013/01/29)
• Error in the Office 365 portal: "Value of msRTCSIP-PrimaryUserAddress or the SIP address in the ProxyAddresses field in your local Active Directory is not unique" added (2013/01/03)
• Mail-enabled groups that have an email address aren't synchronized to Office 365 (added 2012/12/12)
• You cannot manage or remove objects that were synchronized from the on-premises Active Directory Domain Services to Office 365 (added 2012/12/12)
• Object that's deleted from on-premises Active Directory isn't removed from Microsoft Online Services after directory synchronization (added 2012/12/12)
• How to troubleshoot Microsoft Online Services Directory Synchronization tool installation and Configuration Wizard error messages in Office 365
• Duplicate or invalid attributes prevent Office 365 directory synchronization
• The user principal names (UPN) of users contain an Office 365 domain after synchronization
• You receive error messages in the Directory Synchronization error report after you run Directory Synchronization in Microsoft Office 365

Exchange Online

General information

• Exchange Team Blog
• Public folders in the new Office (added 2012/12/12)
• Comparing Exchange Online and Exchange Server 2013
• Publishing Exchange Server 2013 using TMG
• Update to MX records FAQ (added 2012/12/05)

Exchange Online Migration

• Migration performance
• Archived messages are forwarded during migration from Exchange Hosted Archiving to Exchange Online
• How to manage the maximum concurrent migration batches in Exchange Online Preview in Office 365 Preview (added 2013/04/03)
• How to migrate mailbox data by using the Exchange Admin Center in Office 365 (added 2013/04/03)

Exchange Online Configuring

• How to update contact information in Exchange Online in Office 365
• How to set up an SMTP relay in Office 365 (added 2013/1/1)
• How to block a message from being sent or received based on the file name extension of the attachment in Office 365 (added 2013/1/1)
• How to prevent users from creating and managing distribution groups in Office 365 (added 2013/1/1)
• How to configure safe senders and blocked senders in Office 365
• How to remove automapping for a shared mailbox in Office 365

Exchange Online Troubleshooting

• Error message when you run the Get-FederationInformation cmdlet in Office 365: "An unexpected error has occurred and a Watson dump is being generated"
• Office 365 admin can't access the Exchange Control Panel of an Exchange Online user
• "Free/Busy information couldn't be retrieved because the attendee's Mailbox server is busy" error in a hybrid deployment or a cross-premises environment
• Office 365 mail flow troubleshooting index (added 2013/05/14)
• On-premises users aren't getting email messages from Office 365 users in an Exchange hybrid deployment (added 2013/01/03)
• Shared mailboxes that were moved from the on-premises environment to Office 365 are automatically converted back to user mailboxes after directory synchronization runs (added 2013/1/1)
• Owners of an on-premises distribution group that's synced to Office 365 can't manage the distribution group in Exchange Online
• The original owner of an on-premises Active Directory distribution group can't manage the group after it is migrated to Exchange Online (added 2013/1/1)
• You get a "The following recipient is outside the organization" MailTip message even though the recipient is a person in your company (added 2013/1/1)
• Some messages are rejected when you try to use Exchange Online servers as an SMTP relay for on-premises business applications and network hardware devices(added 2013/1/1)
• Users cannot share their calendars externally when calendar publishing is turned on in Office 365 (added 2013/1/1)
• Time zone settings are incorrect or missing for multiple mailboxes in Office 365 (added 2012/12/11)
• You can't enable archiving for a migrated mailbox in a hybrid deployment of Office 365 and on-premises Exchange Server
• Some messages are rejected when you try to use Exchange Online servers as an SMTP relay for on-premises business applications and network hardware devices

Hybrid configuration

• "Exception has been thrown by the target" error in a hybrid deployment of Office 365 and your on-premises environment
• "The Legacy Email Address Policy cannot be automatically updated and must be manually upgraded" error message when you try to run the Hybrid Configuration Wizard (HCW) in Office 365
• "Execution of the Set-WebServicesVirtualDirectory cmdlet had thrown an exception" error message when you try to run the Hybrid Configuration Wizard (HCW) in Office 365
• Error when you run the Hybrid Configuration Wizard: "Updating hybrid configuration failed with error 'Subtask CheckPrereqs execution failed: Check Prerequisites'" (added 2013/04/03)

Exchange Mobile Access

Exchange Mobile Access Configuration

• How to disable Exchange ActiveSync for users in Office 365

Exchange Mobile Access Troubleshooting

• Current issues with Microsoft Exchange ActiveSync and third-party devices
• You experience network connection problems in Office Mobile on iPhone or Office Mobile on Android
• "The user name or password is incorrect or you don't have permissions" error message in Office Mobile on iPhone or Office Mobile on Android
• "We encountered a problem and couldn't complete the task" error message in Office Mobile on iPhone or Office Mobile on Android
• "We couldn't find an account with that email address" error when you try to activate Office Mobile on iPhone or Office Mobile on Android
• "No Subscription Found" error when you try to activate Office Mobile on iPhone or Office Mobile on Android
• "You don't have permission" or "Trouble locating your account" error when you try to activate or sign in to Office Mobile on iPhone or Office Mobile on Android
• Email actions that a user takes in Office 365 aren't updated on BlackBerry devices
• A mobile device can't connect to Exchange Online by using Exchange ActiveSync (added 2013/1/1)
• Calendar on the mobile device isn't synced to the calendar in the Exchange Online mailbox when you use Exchange ActiveSync
• iOS6 devices erroneously take ownership of meetings
• Meeting in attendee's Calendar loses track of the meeting organizer

Exchange Online Protection (aka Forefront Online Protection for Exchange)

Exchange Online Protection Configuring

• You cannot remove duplicate domains in FOPE by using Windows PowerShell cmdlets
• How to perform a message trace in the Forefront Online Protection for Exchange (FOPE) Administration Center
• How to add a disclaimer or footer to outgoing mail messages through Forefront Online Protection for Exchange

Exchange Online Protection Troubleshooting

• Users in an EOP or FOPE environment receive NDRs when they send mail to a recipient environment that uses the China Anti-Spam Alliance service
• How to troubleshoot data loss prevention policy tips in Exchange Online Protection in Office 365 (added 2013/04/03)
• Spam email messages are not redirected to the Junk E-mail folder in Outlook or Outlook Web App in a Forefront Online Protection for Exchange environment
• Error message when users try to send email messages through Forefront Online Protection for Exchange: "Too much email from <IP address>"

Outlook

• Messages sent from a shared mailbox aren't saved to the Sent Items folder of the shared mailbox in Outlook 2010
• Error message when an Office 365 user tries to open Outlook: "Unable to open your default e-mail folders" (added 2013/1/1)
• How to troubleshoot issues in which Outlook 2007 or Outlook 2010 crashes or stops responding (hangs) when it is used in the Microsoft Online Services Environment (added 2012/12/12)
• Office 365: Outlook and mobile device connectivity
• Outlook performance is slow in the Office 365 environment
• Outlook password expiration notification in Office 365
• Outlook cannot configure a new profile by using Exchange Autodiscover for an Exchange Online mailbox in Office 365
• Additional RSS feeds appear in Outlook after a user logs on to Microsoft Office 365 on a new computer
• How to use the Delegate Access feature in Outlook

Lync Online

Lync Planning

• How to set up Lync Online in Office 365 to interoperate with an on-premises Exchange environment
• Considerations for Lync Online when you change an Office 365 user ID

Lync Configuration

• Remote PowerShell for Lync Online
• Lync Online Cmdlets

Lync Troubleshooting

• Contacts in Lync appear offline or aren't searchable in the address book
• "There was a problem connecting to Microsoft Office Outlook. The email address used in your default Outlook profile is different" error message when you sign in to Lync Online
• Enterprise single sign-on users in Office 365 can't sign in to Lync Online from inside their corporate network
• Users who dial in to Lync Online conferences are on hold indefinitely, or the meeting never starts
• Error message when a user tries to sign in to Lync Online: "Cannot sign in to Lync"
• How to resolve issues that may occur when you schedule a meeting in Lync Online
• Users are unable to modify their contact lists in Lync 2010 and Lync for Mac 2011
• Lync Online users can't communicate with external contacts
• Lync users can't communicate with external contacts who have Microsoft accounts that have a custom (EASI) domain
• Users can't share PowerPoint presentations from Lync 2010 or Lync 2013 in Lync Online
• "There was a problem connecting to Microsoft Office Outlook. Outlook is not installed or configured correctly" error message when you sign in to Lync Online with Lync 2010&nbs;(added 2013/01/03)
• User contact photos in Lync don't display correctly
• Microsoft Lync 2010 continuously asks for credentials after signing in
• You experience poor audio or video quality in Lync Online
• Error message when you try to sign in to Lync 2010 after a network outage or a Lync Online service outage: "Cannot sign in to Lync"
• How to troubleshoot sign-in issues in Lync Online
• How to troubleshoot issues that you may encounter when you use the Lync 2010 mobile client for Windows Phone 7
• How to troubleshoot issues that you may encounter when you use the Lync 2010 mobile client for iPhone and iPad

Lync mobile

• "Cannot connect to the server" error message when Lync Online users try to sign in to the Lync 2010 mobile client on a mobile device

SharePoint Online

SharePoint Online General information

• "SharePoint Team Blog

SharePoint Online Troubleshooting

• "The webpage cannot be displayed" error message when you click SYNC on a SharePoint Online site
• You experience SSL certificate authentication issues when you use SharePoint Online
• A URL that resides under a SharePoint root site collection is broken after the root site collection is deleted (added 2013/04/03)
• A SharePoint Online list that uses the Calendar view opens the form dialog box when you add or edit items (added 2013/02/08)
• "error_pagetitle" error message when you try to create a new list or site in an Office 365 SharePoint Online subsite (added 2013/01/03)
• "Unable to find specified web in the given URL" error message when you try to create calendar overlays in a SharePoint Online site in Office 365
• No results are returned when you search for certain keywords in a URL by using the Path query in Office 365 SharePoint Online search (added 2013/1/1)
• When you try to insert a picture from SharePoint in an Office 365 SharePoint Online wiki page, the link doesn't respond (added 2013/1/1)
• The Document Center site collection template isn't available for use in Office 365 SharePoint Online (added 2012/12/16)
• Issues you may encounter after you receive the latest SharePoint Online service update in Office 365 (added 2012/12/05)
• A feature error is returned when you use a custom template to create a site collection or subsite in Office 365 SharePoint Online (added 2012/12/05)
• Users do not receive SharePoint Online alert notifications in Office 365
• You are prompted for credentials when you try to access an Office 365 SharePoint Online public website from a mobile device

Internet Explorer

• Troubleshooting guide for Internet Explorer when you access Office 365

Office Pro Plus

Office Pro Plus Troubleshooting

• Error code 0x40 when you try to open Office 365 ProPlus applications
• How to troubleshoot Office 365 ProPlus, Visio Pro for Office 365, and Project Pro for Office 365 installation or activation issues (2013/01/30)

Office Apps

• "Sorry, another account from your organization is already signed in on this computer" error when you try to sign in to an Office 2013 app

Office 2013

Office 2013 Troubleshooting

• Microsoft Office 2013 or Office 365 hangs during setup
• "Something went wrong..." error when installing Office 2013 or Office 365 (added 2013/05/14)
• Fix integratedOffice.exe install errors in Office 2013 or Office 365 (added 2013/05/14)
• General troubleshooting for installing Office 2013 and Office 365 (added 2013/04/03)

SkyDrive Pro

• "Upload Failed" error when you sync files from Windows Explorer to SkyDrive Pro

Note
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