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-rw-r--r--source4/scripting/python/samba/provision.py9
1 files changed, 9 insertions, 0 deletions
diff --git a/source4/scripting/python/samba/provision.py b/source4/scripting/python/samba/provision.py
index e21a3cbee1..8f7859c215 100644
--- a/source4/scripting/python/samba/provision.py
+++ b/source4/scripting/python/samba/provision.py
@@ -421,6 +421,15 @@ def guess_names(lp=None, hostname=None, domain=None, dnsdomain=None,
if not valid_netbios_name(domain):
raise InvalidNetbiosName(domain)
+ if netbiosname.upper() == realm.upper():
+ raise Exception("realm %s must not be equal to netbios domain name %s", realm, netbiosname)
+
+ if hostname.upper() == realm.upper():
+ raise Exception("realm %s must not be equal to hostname %s", realm, hostname)
+
+ if domain.upper() == realm.upper():
+ raise Exception("realm %s must not be equal to domain name %s", realm, domain)
+
if rootdn is None:
rootdn = domaindn