---
title: Troubleshooting
description: The following links provide help for troubleshooting sign-in issues with Microsoft Lync.
component: azure
page_id: azure:azure_ad_and_office_365_integration_guide:pf_azuread_office365_integration_troubleshooting
canonical_url: https://docs.pingidentity.com/integrations/azure/azure_ad_and_office_365_integration_guide/pf_azuread_office365_integration_troubleshooting.html
revdate: June 21, 2024
---

# Troubleshooting

The following links provide help for troubleshooting sign-in issues with Microsoft Lync.

* [Troubleshooting Azure AD connection configuration errors](https://support.pingidentity.com/s/article/Troubleshooting-Azure-AD-connection-configuration-errors): Ping Identity support article for troubleshooting Azure AD connection configuration errors.

* [Troubleshooting Skype for Business Online sign-in errors for administrators](https://docs.microsoft.com/en-us/SkypeForBusiness/set-up-skype-for-business-online/troubleshooting-sign-in-errors-for-admins?CorrelationId=4eb6cdc7-3f94-45b7-b7b8-b2147af359ee\&ui=en-US\&rs=en-US\&ad=US): Describes how to troubleshoot sign-in issues with Microsoft Skype for Business Online. Details how to clear the credential cache that can occur on some operating systems.

* [Troubleshoot sign-in issues for Lync for Mac 2011 in Skype for Business Online](https://docs.microsoft.com/en-us/SkypeForBusiness/troubleshoot/online-sign-in/sign-in-issues-lync-for-mac): Describes how to troubleshoot common issues between Lync for Mac and Office 365.