[wp-trac] [WordPress Trac] #26802: WordPress FTP component fails to update core on IIS7+

[WordPress Trac]

#26802: WordPress FTP component fails to update core on IIS7+
----------------------------+------------------------------
 Reporter:  WinWPAdmin      |       Owner:  dd32
     Type:  defect (bug)    |      Status:  accepted
 Priority:  normal          |   Milestone:  Awaiting Review
Component:  Filesystem API  |     Version:  3.7.1
 Severity:  major           |  Resolution:
 Keywords:                  |     Focuses:
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Comment (by WiZZarD_):

 While I do have to admit that upgrading the WP core seems buggy sometimes
 I haven't been able to reproduce this error on my setup:
 * PHP Version 5.6.8
 * Microsoft-IIS/8.5
 * WP Core: 3.7.1
 * Upgraded to: 4.2.2

 FS_METHOD: tried both the default (out of the box) settings and 'ftpext'.

 All transfers seem to be going right, giving a 226 status code:

 {{{
 STOR /www/site/wp-content/upgrade/wordpress-4.tmp/wordpress/wp-includes/js
 /comment-reply.min.js 226 0 0 78 854 0 /www/site/wp-
 content/upgrade/wordpress-4.tmp/wordpress/wp-includes/js/comment-
 reply.min.js
 }}}
 I'll keep poking around this one for a while, hopefully I'll be able to
 break something consistently.

 These are the steps I took in both cases:
 * Download and install WP 3.7.1
 * Make sure anonymous users have **no** writing rights on the entire WP
 install
 * Log on to the backend and click the upgrade button for 4.2.2
 * Provide my FTP server and FTP credentials
 * After the initial update I get a message about the database-update.
 Click to proceed.
 * Done.

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Ticket URL: <https://core.trac.wordpress.org/ticket/26802#comment:12>
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