NTP Client errors and Time different in SharePoint Servers

adil 1,206 Reputation points

In SharePoint 2019 Servers there were below errors found in all servers and in some servers time is different thatn in another servers.
When we check with our System they suggest to open UDP Port 123
Is Open Port 123 is safe ?



SharePoint Server
SharePoint Server
A family of Microsoft on-premises document management and storage systems.
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SharePoint Server Management
SharePoint Server Management
SharePoint Server: A family of Microsoft on-premises document management and storage systems.Management: The act or process of organizing, handling, directing or controlling something.
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  1. Dave Patrick 426K Reputation points MVP

    That one by itself may not be a problem. Look for other Time-Service 35, 37 events. Assuming the members all got the domain firewall profile you shouldn't need to fiddle with firewall.

    Some general info

    --please don't forget to upvote and Accept as answer if the reply is helpful--

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