4 01, 2017

Error while joining machine to domain: Logon Failure: The target account name is incorrect

By |2017-01-04T09:36:57+00:00January 4th, 2017|Active Directory|3 Comments

While rejoining one of my machines to the domain, I saw the following error: The following error occurred attempting to join the domain Logon Failure: The target account name is incorrect which I am sure you can guess, was completely wrong as I've being using the domain and the account in question for years. Clearly, something [...]

30 04, 2012

Identifying and Troubleshooting Firewall Access Issues

By |2017-07-16T21:14:20+01:00April 30th, 2012|Active Directory, Exchange, Firewall, Virtualization, Windows, Windows Firewall|1 Comment

While working with server builds and configurations, one is frequently faced with a scenario where the system (as a client), needs to connect to a server at the other end and the process doesn't work.  If one's lucky then an intelligent message is returned by the interface, hinting about the problem but more often than not, the [...]

28 11, 2011

Failure of Computer Migration while using ADMT (Active Directory Migration Tool)

By |2016-12-11T15:25:08+00:00November 28th, 2011|Active Directory, Migration|2 Comments

We're using ADMT (Active Directory Migration Tool 3.2) these days as part of a restructuring exercise from a multi-domain forest to many single-domain forests.  That requires migration of users, groups but also computers from one forest to another (verified two-way external trusts are in place).  One issue we saw while migrating computers was that migration [...]

30 09, 2011

Event ID 29 – KDC Certificate Availability

By |2016-12-11T15:25:08+00:00September 30th, 2011|Active Directory|11 Comments

Our organisation is going through a major restructuring phase these days and we’re converting from an “Empty Root with many Child Domains” to “Single Domain Forests” model.  Why did we go with the former model is a long story and definitely beyond the scope of this particular post so I’ll leave it for another day.  [...]