GSX Blog

Top Office 365 Issues: Unable to Login to Mailbox Due to Sync Problem

Posted by Pavan Reddy on Thu, Feb 15, 2018

When users are unable to access their mailbox or SharePoint on Office 365, this can sometimes be due to sync issues.

Most organizations will use AAD connect to sync their on-premises identities to their Office 365 environment, so it’s important that these two systems communicate to make it possible for users to access what they need on Office 365.

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Tags: Office 365 monitoring, ADFS, ADFS monitoring, Microsoft identity management, Azure AD Connect, ADFS performance, ADFS issue, SysAdmin Top Issues, office 365 health, office 365 performance, fixing office 365

Top Office 365 Issues: Unable to login due to Azure AD Connect sync issues

Posted by Pavan Reddy on Tue, Jan 24, 2017

When users are unable to access their mailbox or SharePoint on Office 365, this can sometimes be due to sync issues. Most organizations will use AAD connect (previously called DirSync, and AD sync) to sync their on-premise identities to their Office 365 environment, so it’s important that these two systems communicate to make it possible for users to access what they need on Office 365.

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Tags: Office 365 monitoring, Azure AD Connect performance, Azure AD Connect, SysAdmin Top Issues, office 365 health, office 365 performance, fixing office 365, Use cases

3 Steps to Manage Authentication on Office 365

Posted by Juliette Ollagnier on Tue, Sep 27, 2016

Businesses rely on authentication and identity management to ensure user’s processes are structured, secure and efficient. For organizations using Microsoft Exchange on premise, making sure that the Active Directory server can authenticate users is generally enough to guarantee the identity service. However, the rise of Office 365 has made identity management much more complex. With Office 365, the on-premise Active Directory has to work in collaboration with Microsoft Azure AD Connect and Active Directory Federation Service (ADFS).

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Tags: Office365, ADFS, Active Directory, Microsoft identity management, Azure AD Connect

How to fortify Azure Active Directory in Office 365

Posted by Juliette Ollagnier on Tue, Sep 06, 2016

For a five-hour period on December 3, 2015, European Office 365 tenants discovered that some of their users were unable to access their mailboxes or SharePoint sites. Interestingly, the problem was not caused by an issue with the Office 365 infrastructure, but with a configuration error in Azure Active Directory (Azure AD) that affected critical authentication processes. Based on Microsoft’s post-incident report, it seems that this configuration snafu was due to human error in the management of Azure AD, which goes to show how critical Azure AD is in keeping Office 365 services up and running.

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Tags: Office365, microsoft azure, Azure AD Connect performance, Azure AD Connect

Why Azure AD Connect monitoring is important

Posted by Dan Krief on Tue, Jul 05, 2016

Microsoft Azure AD Connect formerly known as Windows Azure Active Directory Sync (DirSync) or Azure AD Sync, combines all scenarios supported by these both deprecated tools. It is the best way to connect your on-premises directory with Azure AD and Office 365. The main purpose of using Azure AD Connect is that it makes the users more productive thanks to a common identity for accessing both cloud and on-premises resources.

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Tags: Microsoft identity management, Azure AD Connect

Bringing GSX Solutions into the Azure World

Posted by Juliette Ollagnier on Thu, Jun 30, 2016


Earlier this year, we launched a connector to monitor Active Directory (AD) and ensure that its server is able to authenticate users and guarantee the Identity service. We’re pleased to announce that we’ve now added new monitoring capabilities for ADFS and Azure AD Connect.

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Tags: ADFS, Active Directory, Microsoft identity management, Azure AD Connect