We also remind users to refresh their Office sign-in token by signing out of all Microsoft apps and signing back in with the new password. Azure AD Connect handles password sync, but it runs on a schedule—usually every 30 minutes. So, if you just changed your password, there might be a short window where your old password still works and the new one hasn’t reached every system. Technical Specialist with 3+ years of experience in implementing IT infrastructure, AI-driven automation and supporting digital innovation. His work focuses on helping businesses adopt reliable, future ready technologies that improve performance and protect critical data. He brings a practical, solution-focused approach to every IT challenge.

Calendar Sync Issues in Outlook

Here’s a step-by-step approach to help you spot the issue, fix it, and avoid these sync delays down the road. With apps syncing across devices and cloud services, sync issues are among the most frequently reported M365 problems. These can include missing files, ghost icons, or documents that do not update in real-time. Even when sync works, cached passwords on devices can cause login failures. Windows, Outlook, and mobile apps often save passwords so users don’t resolve Outlook not sending emails fast have to keep typing them. If a password changes, those caches might still use the old one until you clear them out.

Proactive Services

Bad settings in Azure AD Connect cause lots of password sync failures. If password writeback isn’t enabled or the service account doesn’t have the right permissions, new passwords won’t update in Active Directory. That leaves people locked out with their new password on the cloud but not locally. We show users how to reset passwords using approved methods like the Microsoft 365 portal or self-service password reset (SSPR). If someone changes their password only in the cloud or just on a local system, things can get out of sync pretty quickly. Outdated credentials get stuck on devices, password sync gets turned off, or Microsoft Entra Connect just doesn’t update like it should.

TECHOM Systems Pty Ltd

Microsoft 365 is a robust platform, but when problems arise, fast resolution is key to productivity. From sync Fix Outlook and Office365 Sync Issues errors to sign-in challenges and collaboration setbacks, these common Office 365 troubleshooting techniques can restore service quickly. Running the Azure AD Connect Health tool gives you alerts for sync errors and interruptions. Keeping Azure AD Connect up to date and testing sync regularly helps password resets flow like they’re supposed to. Password sync usually fails when credentials don’t update between Microsoft Entra ID (Azure AD) and your on-premises Active Directory.

Microsoft 365 Admin Center Not Responding

• You also learned simple troubleshooting steps you can try on your own, along with when it makes sense to bring in expert help.
• If a password reset in Office 365 doesn’t sync across devices, it’s usually because of incomplete synchronization, old credentials, or device caching.
• If your problems started after a system or app update, consider rolling back to a previous version or checking for patches that address the issue.
• On the sync server, we open the Synchronization Service Manager and check that the last sync finished without errors.
• Running the Azure AD Connect Health tool gives you alerts for sync errors and interruptions.
• Technical Specialist with 3+ years of experience in implementing IT infrastructure, AI-driven automation and supporting digital innovation.
• This means we know how to fix problems fast and with full accuracy.

That’s why we have created this easy guide covering practical Office 365 problems and solutions to help you get back on track without relying on IT support every time. Let TECHOM Systems help you fix your Microsoft 365 problems quickly and professionally. Reach out today and take the pressure off your internal IT team. Our experts are ready to step in and fix what is broken so you can focus on what truly matters.





The app may have outdated cache files or your system may have pending updates. Select the icon you see on your PC from the list below, and we'll show you the steps to help get you syncing again. Upgrade to Microsoft Edge to take advantage of the latest features, security updates, and technical support. Microsoft offers several built-in tools to help identify and resolve persistent issues.