Mention to clear the sessions table when upgradingv0.5-beta@4347

2 files changed, 5 insertions, 2 deletions

diff --git a/README b/README
index a4e661a52..06530b25b 100644
--- a/README
+++ b/README
@@ -25,6 +25,9 @@ Installation:
 For detailed instructions on how to install Roundcube webmail on your server,
 please refer to the INSTALL document in the same directory as this document.
 
+If you're updating an older version of Roundcube please follow the steps
+described in the UPGRADING file.
+
 
 Licensing:
 ----------
diff --git a/UPGRADING b/UPGRADING
index 329983d37..1cc890281 100644
--- a/UPGRADING
+++ b/UPGRADING
@@ -22,6 +22,6 @@ installation as well as the database before executig the following steps.
    ./SQL/[yourdbtype].update.sql that are superscribed with the
    currently installed version number.
 5. Make sure 'enable_installer' is set to false again.
-6. Check .htaccess settings (some php settings could become required)
-
+6. IMPORTANT: clear all records from the sessions table in your database.
+   The session storage format has changed so all existing data cannot be read anymore.