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This page lists the Microsoft Knowledge Base articles that show you how the tools are used to troubleshoot and diagnose specific Office 365 scenarios. Click a link to view an article.

Articles Tool Referenced Office 365 for enterprises Office 365 for professionals and small businesses
"Cannot open file template" or "Cannot be found 404" error when a user clicks an Office document link in the Office 365 portal
A mobile device cannot connect to Exchange Online by using Exchange ActiveSync
ADPlus Command-line options
Automatic sign-in, domain federation, and other features do not work as expected in Lync Online when you use a custom domain in Office 365
Description of Office 365 Desktop Setup logging errors
Duplicate or invalid attributes prevent Office 365 directory synchronization
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"
Error message when you try to migrate users from an on-premises Exchange Server environment to Exchange Online in Office 365: "Unable to connect to the server"
Error message when you try to run directory synchronization in Office 365: "LDAP injection characters were found in the user alias. Change the user alias in the on-premises Active Directory"
Error message when you try to run the Microsoft Online Services Directory Synchronization Configuration wizard: "The Enterprise Administrator credentials that you supplied are not valid. Supply valid credentials and try again"
Error message when you try to use Outlook to perform an action on a calendar meeting item: "This message could not be sent because it exceeds the maximum size allowed"
Federated users cannot connect to an Exchange Online mailbox
Process Monitor - Hands on labs and examples
How to audit administrative center changes in FOPE Admin Center
How to diagnose single sign-on (SSO) logon issues in Office 365 by using Remote Connectivity Analyzer
How to perform a message trace in the Forefront Online Protection for Exchange (FOPE) Administration Center
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" error
How to troubleshoot authentication and connectivity issues in Lync Online
How to troubleshoot computer issues that limit Office 365 single sign-on authentication
How to troubleshoot free/busy issues when you use Exchange Federation in the Microsoft Office 365 for enterprises environment
How to troubleshoot issues that prevent a user from viewing other users' free/busy information in Office Outlook 2007 and in Outlook 2010 in an Office 365 environment
How to troubleshoot Microsoft Online Services Directory Synchronization tool installation and Configuration Wizard error messages in Office 365
How to use ADPlus.vbs to troubleshoot "hangs" and "crashes"
How to use logging to troubleshoot Lync 2010 installation issues in an Office 365 environment
How to use MOSDAL to enable a trace for the Microsoft Online Services Sign-in Assistant to troubleshoot rich client authentication issues

How to use SMTP matching to match on-premises user accounts to Office 365 user accounts for Directory Synchronization

How to use the "Open with Explorer" command and how to troubleshoot issues with this option in SharePoint Online for Office 365
How to use the Microsoft Online Services Diagnostics and Logging (MOSDAL) Support Toolkit to diagnose identity federation issues in Office 365

How to view and troubleshoot events that are logged by Office Professional Plus for Office 365 in Event Viewer

Individual Active Directory Domain Services objects do not synchronize to Office 365
Instant messages to federated Lync contacts fail
Internet browser cannot display the AD FS 2.0 webpage when a federated user tries to sign in to Office 365 web resources
Mail-enabled groups that have an email address are not synchronized to Office 365
Outlook cannot configure a new profile by using Exchange Autodiscover for an Exchange Online mailbox in Office 365
Outlook Configuration Analyzer Tool information
The Microsoft Online Services Diagnostics and Logging (MOSDAL) Support Toolkit
The participants in a conversation cannot connect to the desktop-sharing session in Lync Online
Troubleshoot domain verification issues in Office 365
Troubleshoot issues that occur when users try to join a Lync Online meeting by using Lync 2010
Troubleshooting guide for Internet Explorer when you access Office 365
Users cannot view or update their display picture in Lync 2010 when they connect to Lync Online in Office 365
Utility Spotlight: Scan for Problems in Microsoft Outlook
You cannot assign a federated domain to a user in the Office 365 portal
You cannot connect to Lync Online, or certain features do not work, because an on-premises firewall blocks the connection
You cannot manage or remove objects that were synchronized from the on-premises Active Directory Domain Services to Office 365
You cannot remove a meeting request or an email message in Microsoft Outlook
You experience poor audio or video quality in Lync Online
You receive an error message when you try to remove a domain from Office 365

 

"Cannot open file template" or "Cannot be found 404" error when a user clicks an Office document link in the Office 365 portal

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This article shows you how to troubleshoot the "Cannot open file template" or "Cannot be found 404" error message that may occur when trying to create a new document on the SharePoint Online team site.

For more information, see the following Microsoft Knowledge Base article:

 

A mobile device cannot connect to Exchange Online by using Exchange ActiveSync

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A user cannot connect a mobile device to Microsoft Exchange Online in Microsoft Office 365 by using Microsoft Exchange ActiveSync. Previously, the user was able to connect the mobile device to Exchange Online.

For more information, see the following Microsoft Knowledge Base article:

 

ADPlus Command-line options

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Technet resource that describes all the command-line options for ADPlus.

For more information, see the following article:

 

Automatic sign-in, domain federation, and other features do not work as expected in Lync Online when you use a custom domain in Office 365

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This article shows you how to troubleshoot the "Unable to sign in to Lync Onlline because the server is temporarily unavailable" error message that may occur when you try to sign in to Lync Online. This article also lists the Domain Name System (DNS) SRV records that you must configure when you use a custom or vanity domain in Microsoft Office 365 together with Lync Online.

For more information, see the following Microsoft Knowledge Base article:

 

Description of Office 365 Desktop Setup logging errors

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This article shows you how to troubleshoot issues that you may encounter when trying to install updates to client computers by using Office 365 Desktop Setup.

For more information, see the following Microsoft Knowledge Base article:

 

Duplicate or invalid attributes prevent Office 365 directory synchronization

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This article shows you how to troubleshoot directory synchornization errors caused by duplicate or invalid object attributes in Active Directory.

For more information, see the following Microsoft Knowledge Base article:

 

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"

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This article shows you how to troubleshoot the "For this user the value of msRTCSIP-PrimaryUserAddress or the SIP address in the ProxyAddresses field in your local Active Directory is not unique. Correct the value in your Active Directory." error message that may occur in the Microsoft Office 365 portal.

For more information, see the following Microsoft Knowledge Base article:

 

Error message when you try to migrate users from an on-premises Exchange Server environment to Exchange Online in Office 365: "Unable to connect to the server"

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This article shows you how to troubleshoot the "Unable to connect to the server. Please check the connection settings you supplied and try again." error message that may occur when you try to migrate from your on-premises Microsoft Exchange Server 2010, Exchange Server 2007, or Exchange Server 2003 environment to Exchange Online in Microsoft Office 365.

For more information, see the following Microsoft Knowledge Base article:

 

Error message when you try to run directory synchronization in Office 365: "LDAP injection characters were found in the user alias. Change the user alias in the on-premises Active Directory"

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This article shows you how to troubleshoot the "LDAP injection characters were found in the user alias. Change the user alias in the on-premises Active Directory" email error message that may occur when you try to run directory synchronization in Microsoft Office 365.

For more information, see the following Microsoft Knowledge Base article:

 

Error message when you try to run the Microsoft Online Services Directory Synchronization Configuration wizard: "The Enterprise Administrator credentials that you supplied are not valid. Supply valid credentials and try again"

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When you try to run the Microsoft Online Services Directory Synchronization Configuration wizard, you receive the following error message:

The Enterprise Administrator credentials that you supplied are not valid. Supply valid credentials and try again.

For more information, see the following Microsoft Knowledge Base article:

 

Error message when you try to use Outlook to perform an action on a calendar meeting item: "This message could not be sent because it exceeds the maximum size allowed"

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When you try to use Microsoft Outlook to perform an action on a calendar meeting item in a Microsoft Office 365 environment or in a Microsoft Business Productivity Online Standard Suite environment, you receive the following error message:

This message could not be sent because it exceeds the maximum size allowed.

For more information, see the following Microsoft Knowledge Base article:

 

Federated users cannot connect to an Exchange Online mailbox

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You cannot use your Microsoft Office 365 federated credentials to authenticate Microsoft Outlook or Microsoft Exchange ActiveSync by using a smartphone to Exchange Online services.

For more information, see the following Microsoft Knowledge Base article:

 

How to audit administrative center changes in FOPE Admin Center

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This article shows you how to use the Audit Trail to track important events that have occurred in your FOPE service.

For more information, see the following TechNet article:

 

How to diagnose single sign-on (SSO) logon issues in Office 365 by using Remote Connectivity Analyzer

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This article describes how to diagnose single sign-on (SSO) logon issues in Microsoft Office 365 by using Microsoft Remote Connectivity Analyzer. It also contains information about causes of common SSO failures and lists links to resources for how to troubleshoot the issue.
Remote Connectivity Analyzer is a free connectivity test platform for the cloud-based service. It tests the availability of required Office 365 SSO and identity federation service endpoints for expected behavior by acting on those services from the Internet.

For more information, see the following Microsoft Knowledge Base article:

 

How to perform a message trace in the Forefront Online Protection for Exchange (FOPE) Administration Center

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This article describes how to perform a message trace in the Microsoft Forefront Online Protection for Exchange (FOPE) Administration Center.

For more information, see the following Microsoft Knowledge Base article:

 

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" error

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This article shows you how to troubleshoot the "Error 016: Synchronization has been stopped. This company has exceeded the number of objects that can be synchronized. Contact Microsoft Online Services Support." email error message that you may receive from MSOnlineServicesTeam@MicrosoftOnline.com.

For more information, see the following Microsoft Knowledge Base article:

 

How to troubleshoot authentication and connectivity issues in Lync Online

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This article shows you how to troubleshoot issues that may occur when you use Microsoft Lync Online in a Microsoft Office 365 environment.

For more information, see the following Microsoft Knowledge Base article:

 

How to troubleshoot computer issues that limit Office 365 single sign-on authentication

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This article shows you how to troubleshoot several of the error messages that may occur when you try to access Microsoft Office 365 resources through a web-based client or a rich client application by using federated user credentials, or when you use a web browser to access the Microsoft Office 365 portal from the same computer by using federated credentials.

For more information, see the following Microsoft Knowledge Base article:

 

How to troubleshoot free/busy issues when you use Exchange Federation in the Microsoft Office 365 for enterprises environment

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This article describes how to troubleshoot free/busy issues that occur between the on-premises Microsoft Exchange environment and Microsoft Exchange Online when you use Exchange Federation in the Microsoft Office 365 for enterprises environment.

For more information, see the following Microsoft Knowledge Base article:

 

How to troubleshoot issues that prevent a user from viewing other users' free/busy information in Office Outlook 2007 and in Outlook 2010 in an Office 365 environment

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This article contains information about how to troubleshoot issues that prevent you from viewing other clients' free/busy information in Microsoft Office Outlook 2007 and in Microsoft Outlook 2010 in a Microsoft Office 365 environment.

For more information, see the following Microsoft Knowledge Base article:

 

How to troubleshoot Microsoft Online Services Directory Synchronization tool installation and configuration wizard error messages in Office 365

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This article discusses general troubleshooting procedures, lists error messages that may occur when you install or configure the Directory Synchronization tool, and contains information about how to resolve the issue.

For more information, see the following Microsoft Knowledge Base article:

 

How to use ADPlus.vbs to troubleshoot "hangs" and "crashes"

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ADPlus.vbs (ADPlus) is a tool from Microsoft Product Support Services (PSS) that can troubleshoot any process or application that stops responding (hangs) or fails (crashes).

For more information, see the following Microsoft Knowledge Base article:

 

How to use logging to troubleshoot Lync 2010 installation issues in an Office 365 environment

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This article describes some common Microsoft Lync 2010 installation issues. It also describes how to enable the Microsoft Lync 2010 logging feature.

For more information, see the following Microsoft Knowledge Base article:

 

How to use MOSDAL to enable a trace for the Microsoft Online Services Sign-in Assistant to troubleshoot rich client authentication issues

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This article discusses how to use the Microsoft Online Services Diagnostic and Logging (MOSDAL) Support Toolkit to enable tracing for the Microsoft Online Services Sign-in Assistant. The log files that the tool generates can help troubleshoot issues that may occur when you use the Sign-in Assistant in a Microsoft Office 365 environment.

For more information, see the following Microsoft Knowledge Base article:

 

How to use SMTP matching to match on-premises user accounts to Office 365 user accounts for Directory Synchronization

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In some scenarios, you may have to transfer the source of authority for a user account when that account is originally authored by using Office 365 management tools. These tools include the Office 365 portal, Windows Azure Active Directory Module for Windows PowerShell, and so on. You can transfer the source of authority so that the account can be managed through an on-premises Active Directory Domain Services (AD DS) user account by using directory synchronization.

This article discusses how this transfer of the source of authority is affected by "SMTP matching," a process that uses the primary Simple Mail Transport Protocol (SMTP) address to match the on-premises user account with the Office 365 user account.

For more information, see the following Microsoft Knowledge Base article:

 

How to use the "Open with Explorer" command and how to troubleshoot issues with this option in SharePoint Online for Office 365

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This article discusses how to use the Open with Explorer command in Microsoft SharePoint Online in Microsoft Office 365 to view, copy, and move files in a library. The article also discusses how to troubleshoot issues that you may experience when you use this command.

For more information, see the following Microsoft Knowledge Base article:

 

How to use the Microsoft Online Services Diagnostics and Logging (MOSDAL) Support Toolkit to diagnose identity federation issues in Office 365

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This article discusses how to use the Microsoft Online Services Diagnostic and Logging (MOSDAL) Support Toolkit to troubleshoot identity federation issues in Microsoft Office 365.

For more information, see the following Microsoft Knowledge Base article:

 

How to view and troubleshoot events that are logged by Office Professional Plus for Office 365 in Event Viewer

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This article shows you how to troubleshoot Office Professional Plus issues using the Windows Event Viewer to locate specific events that may prevent activation or use of Office.

For more information, see the following Microsoft Knowledge Base article:

 

Individual Active Directory Domain Services objects do not synchronize to Office 365

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This article shows you how to troubleshoot individual Active Directory Domain Services objects (or attributes) that don't synchronize to Office 365 as expected.

For more information, see the following Microsoft Knowledge Base article:

 

Instant messages to federated Lync contacts fail

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This article shows you how to troubleshoot issues that may occur when using Microsoft Lync Online in Microsoft Office 365.

For more information, see the following Microsoft Knowledge Base article:

 

Internet browser cannot display the AD FS 2.0 webpage when a federated user tries to sign in to Office 365 web resources

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When a federated user tries to sign in to the Office 365 portal, Internet Explorer cannot display the Office 365 portal webpage. Additionally, the user may receive the following error message:

Internet Explorer cannot display the webpage.

For more information, see the following Microsoft Knowledge Base article:

 

Mail-enabled groups that have an email address are not synchronized to Office 365

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When you use the Microsoft Online Services Directory Synchronization tool to synchronize your on-premises Active Directory environment to Microsoft Office 365, you notice that mail-enabled groups that have an email address are not synchronized to Office 365.

For more information, see the following Microsoft Knowledge Base article:

 

Outlook cannot configure a new profile by using Exchange Autodiscover for an Exchange Online mailbox in Office 365

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This article shows you how to troubleshoot the "An encrypted connection to your mail server is not available" error message that you may experience when trying to configure Outlook server settings. It also shows you how to troubleshoot the issue when Outlook does not configure your email server settings for Microsoft Exchange Online.

For more information, see the following Microsoft Knowledge Base article:

 

Outlook Configuration Analyzer Tool information

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This Microsoft Knowledge Base article provides information about the Microsoft Outlook Configuration Analyzer Tool.

For more information, see the following Microsoft Knowledge Base article:

 

Process Monitor - Hands on labs and examples

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The goal of this post is to help you gain hands-on experience using this valuable troubleshooting tool and subsequently to facilitate progress towards resolving virtualization issues with your apps should they be encountered.

For more information, see the following article:

 

The Microsoft Online Services Diagnostics and Logging (MOSDAL) Support Toolkit

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This article provides you detailed information about the MOSDAL Support Toolkit.

For more information, see the following Microsoft Knowledge Base article:

 

The participants in a conversation cannot connect to the desktop-sharing session in Lync Online

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This article shows you how to troubleshoot the "Cannot start Desktop/Application Sharing due to network issues." error that may occur when Lync Online meeting participants try to connect to a shared desktop.

For more information, see the following Microsoft Knowledge Base article:

 

Troubleshoot domain verification issues in Office 365

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This article shows you how to troubleshoot issues that may occur when you try to verify a domain in Microsoft Office 365.

For more information, see the following Microsoft Knowledge Base article:

 

Troubleshoot issues that occur when users try to join a Lync Online meeting by using Lync 2010

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This article shows you how to troubleshoot multiple issues that can occur when users try to join a Lync Online meeting.

For more information, see the following Microsoft Knowledge Base article:

 

Troubleshooting guide for Internet Explorer when you access Office 365

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This article discusses how to troubleshoot Internet Explorer issues when you use it to access Microsoft Office 365.

For more information, see the following Microsoft Knowledge Base article:

 

Users cannot view or update their display picture in Lync 2010 when they connect to Lync Online in Office 365

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Users cannot view or update their display picture in Microsoft Lync 2010 when they connect to Lync Online in Microsoft Office 365.

This issue may occur if one of the following conditions is true:

  • The user is synchronized from an on-premises Active Directory Domain Services (AD DS) server, and the thumbnailPhoto attribute is not populated.
  • The URL of the picture is inaccessible, or access is denied.
  • The picture is larger than 100 kilobytes (KB).

For more information, see the following Microsoft Knowledge Base article:

 

Utility Spotlight: Scan for Problems in Microsoft Outlook

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The Microsoft Outlook Configuration Analyzer Tool (OCAT) scans your Outlook profiles for potential issues and errors. Then it provides you with a full report on its findings. This helpful utility can uncover problems that would otherwise be hard to find. This article provides an overview of the tool.

For more information, see the following Microsoft TechNet article:

 

You cannot assign a federated domain to a user in the Office 365 portal

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This article shows you how to troubleshoot the issue of not being able to assign a federated domain to a new user because the federated domain is not in the user's list of domains.

For more information, see the following Microsoft Knowledge Base article:

 

You cannot connect to Lync Online, or certain features do not work, because an on-premises firewall blocks the connection

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This article shows you how to troubleshoot several firewall-related symptoms that may occur when using Lync Online in a Microsoft Office 365 environment.

For more information, see the following Microsoft Knowledge Base article:

 

You cannot manage or remove objects that were synchronized from the on-premises Active Directory Domain Services to Office 365

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This article shows you how to troubleshoot the issue of not being able to remove an orphaned user account that was synchronized to Office 365 from your on-premises Active Directory Domain Services (AD DS) by using the Office 365 portal or by using Windows PowerShell.

For more information, see the following Microsoft Knowledge Base article:

 

You cannot remove a meeting request or an email message in Microsoft Outlook

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This article shows you how to troubleshoot the "This meeting cannot be removed because you are the meeting organizer." error that may occur wen trying to remove a meeting request or an email message in Microsoft Outlook.

For more information, see the following Microsoft Knowledge Base article:

 

You experience poor audio or video quality in Lync Online

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This article shows you how to troubleshoot choppy, tinny, or delayed audio or video when trying to connect to a Microsoft Lync Online conference.

For more information, see the following Microsoft Knowledge Base article:

 

You receive an error message when you try to remove a domain from Office 365

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This article shows you how to troubleshoot the issue of not being able to remove a domain from the Microsoft Office 365 portal.

For more information, see the following Microsoft Knowledge Base article: