Multicast Issue? "Unable to find the multicast dll"

[mickblanko]

Hi guys,

First of all thanks for all the fantastic guides and information on this site. It’s saved me countless hours and grey hairs.

I've got a bit of a problem with regards to multicasting and I’m hoping someone out there might have come across this issue before and know the solution.

I've followed all the guides and setup a 2008 R2 server and configured it as a DP and a multicast service point. The ‘site status / component status’ looks fine and so do the logs on the multicast server, but when I try to send out anything via multicast (eg winpe or an OS Image) it fails to start the multicast session and the smsts.log shows the following error:

…..

Performing multicast download from mcs://server.com/SMS_MCS/.sms_mcs?filePath=\\server.com\SMSPKGE$\HSX00002\&PackageFlags=202375168&packageID=HSX00002&version=21. encryption required:false

 

“Unable to find the multicast dll“

….

I've setup a completely separate DEV environment and it has the exact same issue, so I’m assuming that it’s probably something that I’m doing wrong somewhere.

 

I've searched the servers and there is no file called multicast.dll.

 

Does anyone have any ideas?

Kind regards,

 

Michael

[mickblanko]

On closer inspection of the mcsprv.log file I've noticed the following warning:

 

"Could not load logging configuration for component mcsprv. Using default values."

 

Can someone with a working multicast setup check their logs to see if this warning is normal and thus can be safely be ignored?

[mickblanko]

Ok never mind, I think I've worked it out. I changed a few things and it seems to have been a firewall issue (possibly in conjunction with some other issues - I'm not 100% sure).

 

Anyway if you see this error in future, check your firewall

[guru17170]

hi,

 

i am facing the exect same issues. earlier it was working and suddunly it's start giving error.

can you explain which types of Changes you have made?

my server's firewall is off for all network like public, work, ... but Firewall service is started and running....

Symantec endpoint protection is installed on SCCM server.

 

pls guide me for the same issues....i will be very thank full......

 

 

Thanks,

Gaurang