Have to keep selecting Time Machine drive

[UFGatorMel]

Ever since the update to Mavericks my MacBook Pro does not recognize my external hard drive as the Time Machine drive whenever I connect it. I always have to go in and select the disk.

I do not have this same problem on my husband's iMac, it recognizes it with no problem.

Any idea why this is going on? I tried internet searches and came up with nothing or maybe I'm just not understanding what I am reading.

 

[satcomer]

When you external drive is this drive connected to your Mac (or network) or are you and you husband using the same Mac with two different accounts?

 

[UFGatorMel]

We each have our own Mac. He has an iMac and I have a Macbook Pro. The External Hard Drive is not connected to the network. I physically connect it to each Mac to do backups. When I connect it to his iMac the drive is recognized as the Time Machine drive. When I connect it to my Macbook the drive is mounted but is not recognized as the Time Machine drive until I go into Time Machine and select it.

I did not have this issue until Mavericks. Until then the external hard drive was recognized as the Time Machine drive on both the iMac and my MacBook.

 

[Bruno09]

The Library / Preferences / com.apple.TimeMachine.plist file might be corrupted.

I would test with a new one.

 

[quickie14]

This happens to my MBP, but only until Time Machine runs. Which only happens when the power is connected on my MBP.