Hi all: Last night I upgraded a Windows server from 2008 R2 to 2012 R2. The upgrade went fine and the server is up and running. But I forgot to remove the ZCM agent before the upgrade and now I cannot log into the server either via the console or RDC. Error log show ZCM is the culprit.

Faulting application name: LogonUI.exe, version: 6.3.9600.16384, time stamp: 0x5215f6c5
Faulting module name: ZenCredentialProvider.dll, version:, time stamp: 0x53a8770e
Exception code: 0xc0000005
Fault offset: 0x0000000000005402
Faulting process id: 0x2f0
Faulting application start time: 0x01d02a861295d06d
Faulting application path: C:\Windows\system32\LogonUI.exe
Faulting module path: C:\Windows\system32\ZenCredentialProvider.dll
Report Id: 50556fd3-9679-11e4-80b7-2c44fd7fcf18
Faulting package full name:

Suggestions? Thanks, Chris.