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  • Blog Post: Introducing the IMAP Migration Troubleshooter

    Situation If transitioning your organization from a non-Exchange system such as Google or Lotus Notes to Office 365, you typically need to follow the IMAP migration path. As diagnosing and remediating any issues you might run into during such a migration can be difficult for people unfamiliar with the...
  • Blog Post: Extending Message Trace to 90 days in Exchange Online

    Message trace enables administrators to trace email messages as they pass through Exchange Online or Exchange Online Protection (EOP) service. It helps you determine whether a message was received, rejected, deferred, or delivered by the service. You’ve told us that you need to be able to trace messages...
  • Blog Post: Upgrade to Office Configuration Analyzer Tool (OffCAT) version 1.2

    Just over a year ago on March 8, 2013 the first version of OffCAT was released. In the 12 months that followed, the OffCAT team released a new version (v1.1), published numerous rule file updates that included over 260 new detection rules and over 250 bug fixes/feature improvement. And now with over...
  • Blog Post: Mailbox Migration Performance Analysis

    When you're migrating on-premises mailboxes to Office365, there are a lot of factors that can impact overall mailbox migration speed and performance. This post will help you investigate and correct the possible causes by using the AnalyzeMoveRequestStats.ps1 script to analyze the performance of a...
  • Blog Post: Important update available for Exchange Server 2013 hybrid deployments

    Update 8/26/14 : changed the resolution to include the release of Exchange 2013 Cumulative Update 6 (CU6). An important update is now available to resolve issues customers are currently experiencing when using the Hybrid Configuration Wizard (HCW) to create a new or manage an existing hybrid deployment...
  • Blog Post: VIDEO: Troubleshooting Single Sign-On Due To Trusting Party Issues

    This video shows you how to troubleshoot single sign-on issues caused by missing or corrupted trusting party information. Add a comment below to let us know what you think about this video and to tell us what other videos you'd like to see. Video Transcript A transcript of this...
  • Blog Post: VIDEO: Troubleshooting Autodiscover in Exchange Online

    This video shows you how to troubleshoot Autodiscover issues in Exchange Online for Office 365. Add a comment below to let us know what you think about this video and to tell us what other videos you'd like to see.
  • Blog Post: Announcing MOSDAL 4.6 – The Microsoft Online Services Diagnostic and Logging Support Toolkit

    Audience: Office 365 for professionals and small businesses Office 365 for enterprises With the release of the Microsoft Online Services Diagnostics and Logging Support Toolkit 4.6 , we introduce a number of exciting new features and improve the user experience yet again so ...
  • Blog Post: Update: Lync Mobile Device Sign-in and Troubleshooting

    Audience: Office 365 for professionals and small businesses Office 365 for enterprises We’ve been getting some questions about signing in to Lync on a mobile device, so here’s the latest scoop as of today, December 19, 2011: If you have your own domain name, you’ll...
  • Blog Post: Office 365 Expert Discussions Series: Office 365 Outlook Client Connectivity Troubleshooting

    Updated 8/30: Thank you for attending this Office 365 Expert Discussions Series. If you missed it, you can download the PowerPoint Presentation and view the Lync Recording below. Microsoft Support will be presenting a series of webcasts called the Office 365 Expert Discussion Series , to showcase...
  • Blog Post: Technical Tuesday - 3 Grid User Posts

    Audience: Office 365 for professionals and small businesses Office 365 for enterprises The Grid User Post blog series will expose some of The Grid's best content to the entire Office 365 Community. Our latest Grid User Post features three fantastic Grid User Posts including a case study...
  • Blog Post: Video: Troubleshooting Slow Outlook Performance in the Office 365 Environment

    Applies to: All users of Office 365 for enterprises and Office 365 for professionals and small businesses. When you or your users use Outlook in your Office 365 environment, you may find that Outlook responds slowly when you try to open email messages, that outgoing messages sit in the Outbox for...
  • Blog Post: New wiki article on troubleshooting mail flow

    Audience : IT professionals and administrators Author : Tony Trivison, Senior Technical Writer Scott Landry, a program manager for Office 365 , just put together a helpful wiki topic about Troubleshooting mail flow in Office 365 . The content is based on a collection of frequently asked questions...
  • Blog Post: VIDEO: Troubleshooting Office 365 Desktop Setup

    This video shows you how to troubleshoot some of the common issues associated with Office 365 Desktop Setup. Client Configuration, Microsoft Update, MS Online Services Connector, Office 365 Desktop Setup, Outlook, and Windows Update. Add a comment below to let us know what you think about...