Exchange 2016: 451 4.7.0 Temporary server error. Please try again later. PRX2

Some time ago I had already pointed out the following error, here in connection with Exchange 2013: Exchange 2013: 451 4.7.0 Temporary server error. Please try again later. PRX2 If emails cannot be delivered and Exchange displays the error "451 4.7.0 Temporary server error. Please try again later. PRX2" in the queues, it is possible that ... Read more

Windows 10 creates _VLMCS entries in the DNS

I am not entirely sure whether the following problem also occurs in environments in which standard Windows DNS servers are used. Companies that do not run their DNS infrastructure on Microsoft DNS servers might be interested in the following article. The following behavior of Windows 10 computers could be reproduced on a "non Windows DNS" server: ... Read more

Active Directory: What should the new Active Directory be called?

My last posts on the subject of Active Directory have brought an important question to light: What should the new Active Directory be called? In this article, I made the following statement: If you're in a greenfield site, you can freely name your Active Directory. In the meantime, names like company.local are no longer used in new environments. Read more