KRBv5 Error: unable to reach any KDC in realm

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Symptoms

After Task Sequence login you are getting the error below:

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The error in pmm_tswizard.log:

    11-10 06:34:54.997 W /GSSWrap:769:b437/ KRBv5 Error: unable to reach any KDC in realm %Your_Domain_Controller_name%, tried 0 KDCs (-1765328228).

Cause

Connectivity issue.

Resolution

Domain Controller must be reachable from affected Mac at the following ports:

    TCP/UDP 88,389

DNS Server must be reachable at:

    TCP/UDP 53 

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