Unable to promote a server to a domain controller

During one of the activities with the demo environment I faced an issue that I was unable to promote any server to DC, and was giving the errors:

ADPrep execution failed –> System.ComponentModel.Win32Exception (0x80004005): A device attached to the system is not functioning.
Check the log files in the C:\Windows\debug\adprep\logs\20220518075032 directory for detailed information.

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How to activate the configuration server for disaster Azure recovery

By the standard way of imputing the new key into the activation form, you’ll get an error that this edition could not be upgraded. However, the MS guide stands for if you’d like to activate your Azure configuration server you’d need to do that through DISM:


And the command is simple as that:

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Error after completing configuration of the RD Connection Broker server for high availability with windows server 2019 and SQL 2016

I was set up high availability for brokers with 2019 windows server and faced this error:

Could not create the database <DatabaseName>. Please check that the broker server has access to the SQL server, the path for -DatabaseFilePath parameter exists and contains the SQL Server database file, the connection to SQL database is correct and SQL database is online. See the SQL Server and broker event log for more details.
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How to fix no graphics displayed with remote login to IBM RSA (White Screen)

At some point, I had to remote on one of the ancient IBM Remote Supervisor Adapter II consoles, and it turned out that it was not updated since 2009. It was running an ancient version of Java KVM, so I had to do some magic to make it work due to the java security permissions.

For me, it was an error about a weak signature algorithm MD5withRSA.

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Xero Data Factory Connector issue 400 error

While setting up the Xero connector I faced an issue when after 30 minutes connector stopped working and return an error 400:

Type=Microsoft.DataTransfer.Common.Shared.HybridDeliveryException,Message=ERROR [HY000] [Microsoft][Xero] (61) API Connection Failed. Bad Request. HTTP Response code: 400\r\nERROR [HY000] [Microsoft][Xero] (61) API Connection Failed. Bad Request. HTTP Response code: 400,Source=Microsoft.DataTransfer.Runtime.GenericOdbcConnectors,''Type=System.Data.Odbc.OdbcException,Message=ERROR [HY000] [Microsoft][Xero] (61) API Connection Failed. Bad Request. HTTP Response code: 400\r\nERROR [HY000] [Microsoft][Xero] (61) API Connection Failed. Bad Request. HTTP Response code: 400,Source=,'",
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