COM Remote Service Availability
Applies To: Windows Server 2008 R2
COM+ applications use Microsoft Component Object Model (COM) technology in Microsoft Windows operating systems to communicate and take advantage of Windows services. COM technologies include COM+, DCOM, and ActiveX Controls.
COM+ Network Access enables remote invocation of applications that are built with COM+. The firewall exception rule, COM+ Network Access (DCOM In), must be turned on for the TCP protocol and LocalPort 135.
Events
| Event ID | Source | Message |
|---|---|---|
Microsoft-Windows-DistributedCOM |
DCOM received error "%1" from the computer %2 when attempting to activate the following server: %3 |
|
Microsoft-Windows-DistributedCOM |
DCOM received error "%1" from the computer %2 when attempting to activate the following server: %3 with file %4. |
|
Microsoft-Windows-DistributedCOM |
DCOM was unable to communicate with the computer %1 using any of the configured protocols. | |
Microsoft-Windows-DistributedCOM |
The server %1 could not be contacted to establish the connection to the client. | |
Microsoft-Windows-COMRuntime |
DCOM server attempted to listen on an invalid endpoint. Protocol sequence: %1 Endpoint: %2 Flags: %3 |