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Title
Error 0xe1100012. Cannot initialize Migration Agent on host -
Description
Migration Manager for AD may not be able to update your SIDHistory field on the target DC.
The following errors may be seen within the DSA log.
Common AcAdSwitches Error 0xe1100012. Cannot initialize Migration Agent on host "GRV1AUDC01.ANET.attindas"
Line 90798: Error 0x80040154. Class not registered
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Cause
Microsoft increased security may have reduced the ability to access COM services. -
Resolution
Reversing registry changes made by Microsoft and rebooting the preferred DC may resolve the error. Microsoft is going to enforce these changes by end of 2021.
Registry setting to enable or disable the hardening changes
During the timeline phases in which you can enable or disable the hardening changes for CVE-2021-26414, you can use the following registry key:
- Path : HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Ole\AppCompat
- Value Name: "RequireIntegrityActivationAuthenticationLevel"
- Type: dword
- Value Data: default = not defined or 0x00000000 means disabled. 0x00000001 = enabled.
Note You must enter Value Data in hexadecimal format.
Important You must restart your device after setting this registry key for it to take effect.
Note Enabling the registry key above will make RPC servers enforce an Authentication-Level of PC_C_AUTHN_LEVEL_PKT_INTEGRITY or higher.