The Hyper-V (download) Snapshot feature(Checkpoint in SCVMM) is a very useful feature for Support Engineers. This allows us to revert the VM to a previous state irrespective of the local* changes you’ve made after the snapshot was taken. Working with customers on a daily basis necessitates having a system on which you can mirror the customer’s setup. Enter DisablePasswordChange. This registry setting, which can be set using Group Policy prevents the system from changing its machine account password with the domain controller every 30 days(by default).
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