Richard Hicks' Forefront TMG Blog

When attempting to join a Forefront TMG 2010 enterprise edition firewall to an Enterprise Management Server (EMS) managed array, you may encounter one of the following error messages:

The operation failed.
Error: 0xc0040431
Forefront TMG Services failed to start after array join or an array
disjoin. Check alerts, fix the configuration, and attempt to restart the
services.

The operation failed.
Error: 0xc0040410
The file cannot be imported because the enterprise management mode is
2010SP1 in the exported file and 2008-only in the stored configuration.

You may also encounter one of the following error messages when attempting to create a standalone array with two or more Forefront TMG 2010 enterprise edition firewalls:

The operation failed.
Error: 0x80004002
No such interface supported

The operation failed.
Error: 0xc0040410
The file cannot be imported because the enterprise management mode is
in the exported file and in the stored configuration.

Any of these errors can occur when you attempt to join a pre-SP2 Forefront TMG 2010 firewall to an EMS-managed array running Forefront TMG SP2, or when you attempt to create a standalone array with one node running Forefront TMG SP2 and another node running SP1.

To resolve this issue, make certain that Forefront TMG 2010 firewalls are all at the same service pack and update level before joining an EMS-managed array or creating a standalone array. For information about determining which version of ISA or TMG is installed, refer to one of the following blog posts:

https://tmgblog.richardhicks.com/2010/10/11/how-to-determine-tmg-version/
https://tmgblog.richardhicks.com/2010/12/03/more-about-determining-tmg-version-numbers/

For a documented reference of ISA and TMG build numbers, click here.