"Wanna" ransomware outbreak. Please see this Sophos article sophos.com/kb/126733 for advice on how to protect your organization. Immediate action recommended.
The error message "Setup was unable to install the quarantine website." appears during PureMessage for Windows/Exchange installation. This can happen for a number of different reasons
The IWAM_<computer_name> account may have become disabled.
The MSDTC Service (MS Distributed Transaction Coordinator) may be running in the wrong mode on a cluster server.
For more details, see Microsoft Knowledge Base Article 312316.
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