[Samba] Decrypt integrity check failed for checksum type hmac-sha1-96-aes256, key type aes256-cts-hmac-sha1-96

Carlos carlos.hollow at gmail.com
Mon Aug 8 13:50:29 UTC 2022


Hi

I updated my DC(i have 5 DCs), and i'm updated one by one...
I demote DC, in new server(chnaged hostname), i change for IP equal one 
dc demote


DC Demote = 172.16.1.85-> shutdown
DC New = 172.16.1.85 -> Join

That all right, i don't problems, but in logs DC new i ss much message :

[2022/08/08 10:38:27.844340,  1] 
../../source4/auth/gensec/gensec_gssapi.c:791(gensec_gssapi_update_internal)
   GSS server Update(krb5)(1) Update failed:  Miscellaneous failure (see 
text): Decrypt integrity check failed for checksum type 
hmac-sha1-96-aes256, key type aes256-cts-hmac-sha1-96
[2022/08/08 10:38:28.035271,  1] 
../../source4/auth/gensec/gensec_gssapi.c:791(gensec_gssapi_update_internal)
   GSS server Update(krb5)(1) Update failed:  Miscellaneous failure (see 
text): Decrypt integrity check failed for checksum type 
hmac-sha1-96-aes256, key type aes256-cts-hmac-sha1-96
[2022/08/08 10:38:28.246462,  1] 
../../source4/auth/gensec/gensec_gssapi.c:791(gensec_gssapi_update_internal)
   GSS server Update(krb5)(1) Update failed:  Miscellaneous failure (see 
text): Decrypt integrity check failed for checksum type 
hmac-sha1-96-aes256, key type aes256-cts-hmac-sha1-96
[2022/08/08 10:38:29.566079,  1] 
../../source4/auth/gensec/gensec_gssapi.c:791(gensec_gssapi_update_internal)
   GSS server Update(krb5)(1) Update failed:  Miscellaneous failure (see 
text): Decrypt integrity check failed for checksum type 
hmac-sha1-96-aes256, key type aes256-cts-hmac-sha1-96
[2022/08/08 10:38:29.996828,  1] 
../../source4/auth/gensec/gensec_gssapi.c:791(gensec_gssapi_update_internal)
   GSS server Update(krb5)(1) Update failed:  Miscellaneous failure (see 
text): Decrypt integrity check failed for checksum type 
hmac-sha1-96-aes256, key type aes256-cts-hmac-sha1-96
[2022/08/08 10:38:32.181868,  1] 
../../source4/auth/gensec/gensec_gssapi.c:791(gensec_gssapi_update_internal)
   GSS server Update(krb5)(1) Update failed:  Miscellaneous failure (see 
text): Decrypt integrity check failed for checksum type 
hmac-sha1-96-aes256, key type aes256-cts-hmac-sha1-96
[2022/08/08 10:38:32.210028,  3] 
../../auth/auth_log.c:647(log_authentication_event_human_readable)


Only in  DC new, in other DCs No. IT's a problem ?


My smb.conf


# Global parameters
[global]
         netbios name = SAMBA2
         realm = XXXXXXX
         server role = active directory domain controller
         server services = s3fs, rpc, nbt, wrepl, ldap, cldap, kdc, 
drepl, winbindd, ntp_signd, kcc, dnsupdate
         workgroup = XXXXX


         #log level = 1 auth_audit:3 auth_json_audit:3
         log level = 1 auth_audit:3
         max log size = 5000

         tls enabled  = yes
         tls keyfile  = tls/xxx.key
         tls certfile = tls/xxxxx.crt
         tls cafile   = tls/xxxxxx-CA.crt

[sysvol]
         path = /var/lib/samba/sysvol
         read only = No

[netlogon]
         path = /var/lib/samba/sysvol/xxxxx/scripts
         read only = No


====


Others Information:

# installed by -> https://apt.van-belle.nl/

samba -V
Version 4.15.7-Ubuntu


lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description:    Ubuntu 20.04.4 LTS
Release:        20.04
Codename:       focal

===



Regards;




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