There are various flavours of Acronis, which one are you using? I've always been a Ghost man myself, but I got a free Acronis with an SSD recently, and my Ghost is so old I wouldn't actually trust it with Windows 7's NTFS, which has also arrived here recently.
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I have ghost and did use it to transfer my main system to ssd. Is windows 7. I used it as it came with my ssd.
It was a very tedious and troublesome process, its not a simple wizard you follow and job done, I installed ghost first on my system and the first thing I noticed was how big it was, seems very excessive for a backup app and its also slow to load the app indicating more heavy code. I then did the backup which if I remember correctly went fairly well although I had to pick some non default options, I knew what to pick knowing how windows partitions work etc. but someone else may not have done. I then made a norton ghost boot disk. Swapped the drives keeping the original disconnected. Booted into norton ghost. Then I manually picked the main windows partition to restore to the ssd (I skipped the hidden 100meg one), then I restored it with a size smaller than the max ssd so the ssd had more free space for write wear levelling. This all wasnt too complex but I did have to pick non default options again, defaults would have made it fail. Then I had to boot windows 7 install media because the current restore state on the ssd was not bootable so obviously at this point most people would be lost, I then had to run a repair command from the install media to install boot files to the ssd at which point the ssd is then bootable. Finally booted up the ssd media.
After this was still other issues. Not all now resolved.
The ssd had a corrupt filesystem, so something went wrong on the process, chkdsk fixed it and I dont have any noticeable impact.
When the original hdd was reconnected windows flipped out as it had the same ID as the ssd, but going into the disk manager and trying to mount it made windows generate a new ID for it fixing the issue.
Finally there is a drive labelling problem. In 99% of apps including windows explorer my ssd is the C: drive. However some apps use raw drive letters 2 such apps are both microsoft ones, windows firewall and resource monitor. In these 2 apps my ssd is not C: its instead D:0, I later found out this occured because windows is not very good at labeling drives. When I first booted up the migrated install all my other drives were still connected accept the original OS drive, windows then detected a hdd on another controller before the ssd (even tho ssd was boot device) and as such the ssd was considered to be the 2nd drive not the 1st and this led to the weird drive label issue which is not fixed right now. On unix operating systems this doesnt have such an issue as drives can be given custom labels and even if they not they assigned on each bootup based on where they connected not just once and then remembered like windows does. It gets even worse, the first time I did this I left the old boot hdd connected which resulted in a non operable windows system, as my ssd although the boot device was given a F: drive letter. So it actually took me 2 attempts to get it working.
Now windows is running fine aside from the issue in the 2 microsoft apps, in resource monitor its just a cosmetic issue but on windows firewall its not as that assigns rules based on program location, so anything with C: on it is now invalid and has to be set again with D:0. I am put off using ghost again to do another migration with all hdd's disconnected, plus its now too long ago I would lose recent changes so I will likely just reinstall windows 7 on this machine at some point to clean it up. Still making backups with ghost now but am probably going to try another app like acronis because almost everyone who uses acronis reccomends it. They obviously do so for a reason.
As for windows 7 backup I dont think its an imaging program so I wouldnt use that for backups, acronis is an imaging program (so is ghost) so they better choices than windows 7 backup.
I feel ghost with all its bloat is missing simple things like automatically handing the drive lettering issue on migrations, on automated backups is no function to remove backups X days old, luckily I am backing up to a 2TB drive but obviously it will eventually fill up if I dont manually house clean it.
Norton ghost did correctly align my SSD partition as well. So it maybe old but its not ancient, just a poorly developed app I feel.