package samba-common-bin 2:3.6.9-1ubuntu1.1 failed to install/upgrade: subprocess installed post-installation script returned error exit status 2

[Bob Montana]

After update

ProblemType: Package
DistroRelease: Ubuntu 13.04
Package: samba-common-bin 2:3.6.9-1ubuntu1.1
ProcVersionSignature: Ubuntu 3.8.0-31.46-generic 3.8.13.8
Uname: Linux 3.8.0-31-generic x86_64
ApportVersion: 2.9.2-0ubuntu8.4
AptOrdering:
 samba-common-bin: Configure
 samba: Configure
 swat: Configure
Architecture: amd64
Date: Wed Sep 25 15:44:06 2013
DpkgTerminalLog:
 Setting up samba-common-bin (2:3.6.9-1ubuntu1.1) ...
 update-alternatives: error: alternative link /usr/bin/nmblookup is already managed by nmblookup-old
 dpkg: error processing samba-common-bin (--configure):
  subprocess installed post-installation script returned error exit status 2
DuplicateSignature: package:samba-common-bin:2:3.6.9-1ubuntu1.1:subprocess installed post-installation script returned error exit status 2
ErrorMessage: subprocess installed post-installation script returned error exit status 2
InstallationDate: Installed on 2013-03-15 (193 days ago)
InstallationMedia: Ubuntu 12.10 "Quantal Quetzal" - Release amd64 (20121017.5)
MarkForUpload: True
NmbdLog:

SambaServerRegression: No
SmbConfIncluded: Yes
SmbLog:

SourcePackage: samba
Title: package samba-common-bin 2:3.6.9-1ubuntu1.1 failed to install/upgrade: subprocess installed post-installation script returned error exit status 2
UbuntuFailedConnect: Yes
UpgradeStatus: Upgraded to raring on 2013-08-05 (51 days ago)

[Bob Montana (bobmontana)]

removed update-alternatives nmblookup; then testparms same errors; removed testparms.
purged samba
reinstalled samba.
working.

[Serge Hallyn (serge-hallyn)]

Thanks for reporting this bug. As I've not seen this happen elsewhere I believe it was caused by an odd update failure. I will mark this invalid (meaning "cannot be reproduced") but if it happens again on the next upgrade please do reopen it.