Event ID: 4 The Kerberos client received a KRB_AP_ERR_MODIFIED Windows 2003 and Windows 2012 R2 DC Environment

Good timing for me, bad timing for those that already have 2012 R2 DCs in their domain. Event ID: 4 The Kerberos client received a KRB_AP_ERR_MODIFIED There is a bug in Kerberos When a Windows 2012 R2 DC is promoted in an environment where Windows 2003 DCs are present, there is a mismatch in the […]
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Migrate DHCP Server to Windows Server 2012 R2

In my case I am migrating two 2003 DHCP Servers (that are also DCs) with split scopes over to  two 2012 R2 DHCP Servers that are load balanced Before you Migrate Windows Server 2012 R2 DHCP Expired Leases Not Getting Scavenged worth following suggestions to potentially avoid the issue Migration Steps to follow for migrating DHCP Server […]
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