Вот здесь мы, похоже, споткнулись:
Начало действия 13:47:45: BackupExistingProduct.
MSI © (40:14) [13:47:45:277]: Invoking remote custom action. DLL: C:\Users\ADMINI~1.WIN\AppData\Local\Temp\1\MSI8233.tmp, Entrypoint: BackupExistingProduct
MSI © (40!A8) [13:47:45:323]: PROPERTY CHANGE: Adding AUTH_LDAP_FILE property. Its value is 'C:\Users\ADMINI~1.WIN\AppData\Local\Temp\1\{1EA1A3BD-F1A6-4A2A-B2B8-55731579969C}\auth-lda
p.xml'.
MSI © (40!A8) [13:47:45:323]: PROPERTY CHANGE: Adding AUTH_ADS_FILE property. Its value is 'C:\Users\ADMINI~1.WIN\AppData\Local\Temp\1\{1EA1A3BD-F1A6-4A2A-B2B8-55731579969C}\auth-ads.
xml'.
MSI © (40!A8) [13:47:45:323]: PROPERTY CHANGE: Adding AUTH_RADIUS_FILE property. Its value is 'C:\Users\ADMINI~1.WIN\AppData\Local\Temp\1\{1EA1A3BD-F1A6-4A2A-B2B8-55731579969C}\auth-r
adius.xml'.
MSI © (40!A8) [13:47:45:323]: PROPERTY CHANGE: Adding PREPARED_CFG_CHB property. Its value is '1'.
MSI © (40!A8) [13:47:45:323]: PROPERTY CHANGE: Modifying CONF_OK property. Its current value is '0'. Its new value: '1'.
MSI © (40!A8) [13:47:45:323]: PROPERTY CHANGE: Modifying CONFIG_FILE_TEXT1 property. Its current value is '*** Конфигурационный файл не задан ***'. Its new value: 'C:\Program Files\Dr
Web Enterprise Server\etc\drwcsd.conf'.
MSI © (40!A8) [13:47:45:386]: PROPERTY CHANGE: Modifying CONFIG_FILE property. Its current value is '0'. Its new value: 'C:\Users\ADMINI~1.WIN\AppData\Local\Temp\1\{1EA1A3BD-F1A6-4A2A
-B2B8-55731579969C}\drwcsd.conf'.
MSI © (40!A8) [13:47:45:417]: PROPERTY CHANGE: Adding PRIVATE_KEY_GUID property. Its value is 'd0c8fa8b-d21d-b211-9a95-9c07974ef7a9'.
MSI © (40!A8) [13:47:45:417]: PROPERTY CHANGE: Modifying PRIVATE_CRYPTOKEY_TEXT property. Its current value is '*** Закрытый ключ не задан ***'. Its new value: 'C:\Program Files\DrWeb
Enterprise Server\etc\drwcsd.pri'.
MSI © (40!A8) [13:47:45:417]: PROPERTY CHANGE: Adding CRYPTOKEYS_CHB property. Its value is '1'.
MSI © (40!A8) [13:47:45:417]: PROPERTY CHANGE: Adding PRIVATE_CRYPTOKEY property. Its value is 'C:\Users\ADMINI~1.WIN\AppData\Local\Temp\1\{1EA1A3BD-F1A6-4A2A-B2B8-55731579969C}\drwcs
d.pri'.
MSI © (40!A8) [13:47:45:417]: PROPERTY CHANGE: Adding PUBLIC_KEY_GUID property. Its value is 'd0c8fa8b-d21d-b211-9a95-9c07974ef7a9'.
MSI © (40!A8) [13:47:45:417]: PROPERTY CHANGE: Modifying PUBLIC_CRYPTOKEY_TEXT property. Its current value is '*** Открытый ключ не задан ***'. Its new value: 'Открытый ключ создан.'.
MSI © (40!A8) [13:47:45:417]: PROPERTY CHANGE: Adding PUBLIC_CRYPTOKEY property. Its value is 'C:\Users\ADMINI~1.WIN\AppData\Local\Temp\1\{1EA1A3BD-F1A6-4A2A-B2B8-55731579969C}\drwcsd
.pub'.
MSI © (40!A8) [13:47:45:417]: PROPERTY CHANGE: Adding CRYPTOKEY_OK property. Its value is '1'.
MSI © (40!A8) [13:47:45:417]: PROPERTY CHANGE: Adding PUBLIC_KEY_NEED property. Its value is '0'.
MSI © (40!A8) [13:47:45:417]: PROPERTY CHANGE: Modifying DB_USING property. Its current value is '2'. Its new value: '1'.
Завершение действия 13:47:57: BackupExistingProduct. Возвращенное значение 3.
...
Сведения 2896. Executing action BackupExistingProduct failed.
Не смогли выполнить бэкап пред. версии. Не совсем понятно. почему.