COM+ Setup Requirements


Problem: When trying to refresh a servers COM info I get several different errors on certain servers. On others it's not a problem. For example:

I get the following error:
COM Error on server {servername}: Access is denied.
Transaction Services not installed on (or could not connect to) system {servername}.... skipping.


Solution: Ensure that the Distributed Transaction Coordinator service is running on target systems.

Also, ensure that your [Windows] firewall is not blocking access to port 135 and potentially %systemroot%\system32\dllhost.exe.

Finally, the account you are running COM+ Manager as on your system, will also need to be recognized as an administrator of any target systems.

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