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Archive for January, 2018

8524 The DSA operation is unable to proceed because of a DNS lookup failure.

Reason for the below failure: The Active Directory Domain Services Installation Wizard (Dcpromo) was unable to establish connection with the following domain controller.    Domain controller: winad01.mds.xyz    Additional Data  Error value: 8524 The DSA operation is unable to proceed because of a DNS lookup failure. and the subsequent failure in Promotion of a Server [...]

The Directory Server detected that the database has been replaced.

The full error is as follows: The Directory Server detected that the database has been replaced.  This is an unsafe and unsupported operation. The service will stop until the problem is corrected.    User Action:  Restore the previous copy of the database that was in use on this machine.  In the future, the user is [...]

The Local Security Authority cannot be contacted.

You are likely getting this error because you have the following checked off: Allow connections only from computers running Remote Desktop with Network Level Authentication (recommended) Uncheck this setting and you  will be able to log back in using RDP. We got this error trying to add a secondary AD DC to a cluster.  After [...]

The Local Security Authority cannot be contacted

Move the windows server into a dummy workgroup then back into the domain it was originally on to resolve: The Local Security Authority cannot be contacted However you may get: The following error occurred attempting to join the domain "abc.123": The request is not supported. Checking the logs we see this: %systemroot%\debug\netsetup.log 01/23/2018 19:57:02:446 NetpIsTargetImageADC: [...]

Cloning NTFS 1TB disk to 240GB SSD

The key to this is that the enterity of the data HAS to fig into the new space.  If it doesn't, you'll either need to get a bigger disk or start deleting stuff off the old disk.  In my case the data was 120GB so it can easily fit in a 240GB SSD.  Now, if [...]

ntfs-g3 / ntfsclone warning: careful about use of parameters in this manner.

Careful when copying or cloning using ntfs-g3 / ntfsclone command when using overwrite.  In the below example /dev/sdg4 is NOT the source.  It is the TARGET.  ntfsclone –overwrite /dev/sdg4 /dev/sdm1 Though nothing happened here, these were two test volumes, this is opposite to the way other commands work like cp, scp, rsync:  The last entry [...]


     
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