package samba4 4.0.0~alpha15~git20110124.dfsg1-2ubuntu1 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1

[Alexander Rubinov]

dpkg: error processing samba4 (--configure):
 subprocess installed post-installation script returned error exit status 1

ProblemType: Package
DistroRelease: Ubuntu 11.04
Package: samba4 4.0.0~alpha15~git20110124.dfsg1-2ubuntu1
ProcVersionSignature: Ubuntu 2.6.38-10.46-generic 2.6.38.7
Uname: Linux 2.6.38-10-generic i686
NonfreeKernelModules: nvidia
AptOrdering:
 thunderbird-globalmenu: Install
 thunderbird: Install
 samba4: Configure
 thunderbird: Configure
 thunderbird-globalmenu: Configure
Architecture: i386
Date: Sun Jul 17 19:29:46 2011
ErrorMessage: subprocess installed post-installation script returned error exit status 1
SourcePackage: samba4
Title: package samba4 4.0.0~alpha15~git20110124.dfsg1-2ubuntu1 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1
UpgradeStatus: Upgraded to natty on 2011-05-17 (63 days ago)