what is the best practice for migrate an SLES11SP3 system to SP4? The system is registered at SuSE Manager and when I choose "SP-Migration" on the UI it results into the error "No available migrations found".

Some Background: All SP3 Systems have the sle-11-sp3 basechannel with different custom channels and can be managed as salt-minions. And YES, I've already read the documentation & Releasenotes to get some migration information.

My current approach is:

- Install the Migration package in SLE11SP3
- Manual mount the SLE11-SP4-Pool/Update from our old SMT-Server
- run "zypper dup --from [SLE11-Rpos]
- switching the basechannel on SuSE Manager to SLE11-SP4 for the system & zypper up -t patch

But this seems to be very hard way.

We have about 300 SLES11SP3 Systems to migrate and I look for a good automated way over SuSE Manager.

Any similar problems in your environment? Who have the brilliant idea or hint for me?

Thanks in advance