i'm having problem upgrading hardware of domain controller. have windows 2012 domain controller (that 1 dc in network). wanted change hardware newer one, bought new server windows 2012 r2. i've run adprep /forestprep , adprep /domainprep on old server (using 2012 r2 dvd). i've add ad , dns role on new server, , added domain.
i've made new server primary domain controller. if run: netdom query fsmo see new server in every list.
i've removed old server global catalog , changed dns on every pc new server.
the problem every pc (and new server well) still logging in ols server. if shutdown old server seems there lot of problems , users cannot found or authenticated (for example on teamfoundation server or sqlservers).
when try demote old server says cannot find other domains controllers on network. on old servers new server listed on domain controllers list.
how can make new server 1 , domain server can dismiss old server? thank much.
ok, after hours of research did find solution. correct, problem not on new promoted domain controller. problem on old domain controller, reason stopped replication services.
i solved using following command on old server:
wmic /namespace:\\root\microsoftdfs path dfsrvolumeconfig volumeguid="<guid>" call resumereplication where guid 1 found on dcdiag /v output
after new domain controller replicated correctly, , able safely demote old server.
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