Office 365- synchronisation to AD

Hi guys,
I have a sever 2016 and office 365 . There is synchronisation between AD and office 365.

Right now got issues with synchronisation. In office365 portal, “last directory sync and password sync” both are failing.

Am very new to this synchronisation. Did some research, found there are few versions of synchronisation tool like, ad azure connect, directory synchronisation. How do I find which version I got in my server ?? And obviously next I need to troubleshoot and fix the sync issue as well.

So could anyone help me first to identify what version or toool I have ?
Mr.XAsked:
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CodeTwo SoftwareConnect With a Mentor Software DeveloperCommented:
Hi Mr. X.
Currently, only one synchronization tool is supported - Azure AD Connect. The easiest way to check which tool and version you have would be to go to your control panel>uninstall a program and look for the syncing software (Dir Sync and Azure AD Sync are outdated, Azure AD Connect is the one you should have). If the software is outdated, try upgrading it first. If you still encounter issues, check the following articles for further assistance:
How to sync on-premises Active Directory to Azure Active Directory with Azure AD Connect?
How to merge an Office 365 account with an on-premises AD account after hybrid configuration?
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Aaron GuilmetteTechnology Solutions ProfessionalCommented:
The current version of the application is available at http://aka.ms/aad-connect.  You can use Help | About inside the Synchronization Service or via the Control Panel | Add/Remove Programs).

If you are experiencing synchronization errors, typically I would check:
- Password for the synchronization service account in Office 365 (Sync_<guid-value>@tenant.onmicrosoft.com).  You may need to reset the password in both the cloud and update the connector properties password in the Synchronization Service application.
- Ensure the synchronization service account is a global admin role in Office 365.
- Ensure the synchronization service account is granted the right permissions in Active Directory (Enterprise or Domain Admin, or using the script here to delegate permissions): https://gallery.technet.microsoft.com/AD-Advanced-Permissions-49723f74
- Password Hash Sync requires special permissions (Replicating Directory Changes and Replicating Directory Changes All) in order to access protected storage to retrieve the password data
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Arvind MauryaNoc Engineer L2Commented:
Did you recently change the password of you sync account email address whichi is used to sync AzureAD-connect.
If yes then you can update it in the Azure AD connect .
If not then you can reconfigure it by clikcing on Azure AD.
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Seth SimmonsSr. Systems AdministratorCommented:
No comment has been added to this question in more than 21 days, so it is now classified as abandoned.

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Accept: CodeTwo Software (https:#a42513095)

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