On 11/01/13 12:22, Andrew Bartlett wrote:
On Thu, 2013-01-10 at 16:50 +0000, Chris Lewis wrote:
Hi All,

I have joined a samba4 instance to en existing W2k8 AD domain as an
additional domain controller.

When I do

samba-tool dbcheck

I get (example) :

ERROR: wrong instanceType 4 on CN=INVIEW-DC2,OU=Domain
Controllers,DC=inview,DC=local, should be 0
Not changing instanceType from 4 to 0 on CN=INVIEW-DC2,OU=Domain
Controllers,DC=inview,DC=local


This happens for  644 out of 655 of the objects in directory. I have
attempted to fix one or two less important objects and the error does
not appear again.

Before I go ahead and fix them all, I want to find out whether doing
this would have any unwanted ramifications?

Can anyone explain what causes these errors and if fixing them might
break something?
That's a very interesting question.  0 seems the wrong value, if you are
a read-write DC.

I suspect we are getting the domain join stuff wrong, so we then trigger
this incorrectly in dbcheck.

Andrew Bartlett
Hi Andrew,

For info:

I did some further comparisons with the test environment and found that the production environment was set to Windows 2000 Domain & Windows 2000 Forest functional levels. I changed the the domain functional level to windows 2003 (which the test environment was on), and re-added the additional domain controller.

I then got no errors in the samba-tool dbcheck and this also seemed to fix another problem with replication I was experiencing.

Best regards

Chris

--
Chris Lewis


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