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Recipient not found by Exchange Legacy encapsulated email address lookup
When you send an email to a recipient, you get IMCEAEX NDR that said "Remote Server returned '550 5.1.11 RESOLVER.ADR.ExRecipNotFound; Recipient not...
Active Directory Port List
If you enable the Windows Firewall or if there is an external Firewall for your Active Directory Domain Services (ADDS) in this...
Microsoft Paused Windows 10, Version 1809
As you may know, Microsoft unveiled Windows 10 version 1809, the October 2018 Update for Windows 10 on October 2, 2018 officially....
Configure DHCP failover on Windows Server
In this time, we will configure the DHCP failover on Windows Server. DHCP Failover is a feature on the Windows DHCP server to...
Outlook Web App (OWA) Authentication Issue – Exchange 2010
We recently got an authentication issue on Our Outlook Web App (OWA) for Exchange 2010. The OWA itself can be loaded. However,...