Thanks, that was the problem. I forgot that about a week ago I had edited my Group Policies and disabled Windows Messenger. I change it from disabled to "not load on startup" and it works fine now.

I have four CentOS 5.2 servers running Samba with Active Directory authentication, several Macintosh OSX workstations/laptops (10.4 & 10.5) that are joined to the domain. The plan is to shortly ...

Using tunnel/mirroring to make local connections to OPC DA servers and clients eliminates DCOM by passing the data across the network over TCP. Microsoft took an important step this spring towards ...

TEL AVIV, Israel – Operational technology (OT), cyber and risk management provider OTORIO has launched an open source Microsoft Distributed Component Object Model (DCOM) hardening toolkit to protect ...