Event ID - 8200

Event Id8200
DescriptionAn error occurred while attempting to add the T.120 MCU server_name.fully_qualified_domain_name to the server topology. Error code: 80070057. Message: The parameter is incorrect.
Event InformationAccording to Microsoft:
This problem can occur if a fully qualified domain name (FQDN) with more than 32 characters is entered in the Use Network Name box for remote sites on the "hosting" MCU server; the participating client in the remote site cannot join the data conference and receives the error message in the "Symptoms" section of this article.
When the host server passes the "remote" MCU connectivity information back to the client, a maximum of 32 characters is allowed. If the FQDN exceeds this limit, the referral does not occur successfully.
To resolve this problem, obtain Exchange 2000 Conferencing Server Service Pack 1 or later.
To work around this problem, either move the MCU to a domain with a shorter name or rename the MCU host name so that the FQDN is 32 characters or less.
Reference LinksMessage When Attempting to Join Remote Conference

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