Environment
Secure Messaging Gateway Appliance
Situation
After a database move, the Secure Messaging Gateway Webinterface is not reachable.
The Virtual Appliance Administration is still viewable using a browser, but the SMG Administration, which usually is addressed by "https://<IP of your SMG Server>/authenticate/login.php" is not accessible.
To see if you are affected by this issue, check the /var/log/apache2/error_log-file on your system.
You are affected, if you see this Error-Message:
[php7:warn] [pid 16250] [client 10.220.52.149:11213] PHP Warning: pg_connect(): Unable to connect to PostgreSQL
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