One guess: To remove the psychological barrier to upgrade. If you call it R2 then it looks like a Service Pack (which it is to some extent), whereas if you call it 2010 then it looks like a huge new version with massive incompatibilities, which will make people very reluctant to update.
You did everything correct with the exception of the local account accessing the share cannot be on both systems. Essentially, if the non-domain account running your application is called “administrator” then you must not have a local account on the domain server named “administrator”.
One possible reason for this issue is when the machine account password gets out of sync with the domain controller. This can happen, for example, if the computer account in Active Directory is manually removed and re-added, or if the client machine has been restored to an earlier point in time (machine account passwords are … Read more
If you just deleted the partition and did not create a new partition, it is likely possible to recover. First things first – pull the drive, put it in a Linux box and do a raw clone. The first rule of data recovery is that you do your work on a clone, not the original. … Read more