Index: ntsec.sgml
===================================================================
RCS file: /cvs/src/src/winsup/doc/ntsec.sgml,v
retrieving revision 1.24
diff -d -u -r1.24 ntsec.sgml
--- ntsec.sgml	27 May 2009 02:30:42 -0000	1.24
+++ ntsec.sgml	27 Jan 2010 20:30:36 -0000
@@ -747,6 +747,20 @@
 deinstallation of the cygwin LSA authentication DLL is just a minor
 inconvenience compared to that...</para>
 
+<para>The following are possible side effects of installing a defective LSA DLL or incomplete implementations in the regtool utility and cyglsa-config script.  To revert the cyglsa-config installation, set the "Authentication Packages" registry entry to a REG_SZ or REG_MULTI_SZ value of "msv1_0".</para>
+
+<itemizedlist spacing="compact">
+<listitem><para>Windows startup hangs for few minutes with the "Starting up" panel before showing the user login panel.</listitem></para>
+<listitem><para>Network drives and USB devices do not get connected.</listitem></para>
+<listitem><para>Minimized windows are not shown on the taskbar.</listitem></para>
+<listitem><para>Cut-and-paste does not work across windows.</listitem></para>
+<listitem><para>Windows explorer (explorer.exe) and Internet explorer (iexplore.exe) silently die.</listitem></para>
+<listitem><para>Clicking logged messages in the event viewer does not bring a window with details.</listitem></para>
+<listitem><para>Device Manager does not show windows with driver details.</listitem></para>
+<listitem><para>Safe boot locks up after loading the last driver service such as ksecdd, wudfpf, ntfs, ndis, sisagp, viaagp, alim1541, agpamd, agp440, agpcpq.</listitem></para>
+<listitem><para>Attempts to start the Workstation service results in an error message pointing to an "unknown" LSA authentication package.</listitem></para>
+</itemizedlist>
+
 <para>Nevertheless, this is already a lot better than what we get by
 using <command>NtCreateToken</command>, isn't it?</para>