Plesk 12.x / Windows :: HTTP Error 503 - The Service Is Unavailable

Oct 16, 2014

We have just installed the plesk version 12. All the installation completed without errors . then we restarted the server . and when we tried to open the plesk through the desktop shortcut we get the error " HTTP Error 503. The service is unavailable."

We have tried the following links fix HTTP , kb6735 .

Why does we get this error ?

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Plesk 12.x / Linux :: Error Sending Message - Service Unavailable

Aug 5, 2014

Since the last update I am having constant troubles with email accounts when sending or replying to email messages.

This is the message I am getting:-

"error sending your message: Service unavailable - try again later"​

This is our system and the software is the Parellels with Business Manager and stuff.

OS CentOS 6.5 (Final)
Plesk version 12.0.18 Update #10, last updated at Aug 4, 2014 05:00 AM

The system is up-to-date; last checked at Aug 3, 2014 04:44 AM​

This is what the error looks like in the log file located at /usr/local/psa/var/log/maillog

Aug 6 11:54:08 host spamd[28992]: spamd: connection from localhost [127.0.0.1] at port 37548
Aug 6 11:54:08 host spamd[14212]: prefork: child states: II
Aug 6 11:54:08 host courier-imapd: Connection, ip=[::ffff:127.0.0.1]
Aug 6 11:54:08 host courier-imapd: LOGOUT, ip=[::ffff:127.0.0.1], rcvd=12, sent=365

[Code] ....

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Apache :: Httpd Service Unavailable 503 Error

Jan 13, 2015

I am using windows 2008 R2 64 bit O.S, I downloaded httpd-2.4.10-win64-VC11 and tomcat-connectors-1.2.39-windows-x86_64-httpd-2.4.x and I created 3 tomcat workers and then I configured workers.properties and httpd.conf.

After complete setup when i tried using

http://localhost then

I got It works! message (looks everything is fine).

and then I have deployed my sample web application I tried to access the same application then using

http://localhost/SampleCluster

I am getting

503 service not available.

Service Unavailable

The server is temporarily unable to service your request due to maintenance downtime or capacity problems. Please try again later.

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Plesk 11.x / Linux :: 451 4.7.1 Service Unavailable With Greylisting

Feb 20, 2014

Suddenly my server stop to accept mail from outside. Here you have the logs of mail.info

Feb 20 14:26:02 xxx postfix/smtpd[5581]: 17098E1CCB: milter-reject: DATA from mail2.email-o-matic.com[217.116.24.xxx]: 451 4.7.1 Service unavailable - try again later; from=<empresas@xxx.es> to=<whatever@whatwever.es> proto=ESMTP helo=<mail2.email-o-matic.com>

It seems it is a milter problem as in the line I can read "milter-reject"

Also I have a lot of lines like this:

Feb 20 14:27:34 dv2 greylisting filter[9152]: Starting greylisting filter...
Feb 20 14:27:36 dv2 greylisting filter[9154]: Starting greylisting filter...
Feb 20 14:27:37 dv2 greylisting filter[9165]: Starting greylisting filter...

I can go to control panel and stop plesk milter but I see these lines on mail.info

Feb 20 14:30:04 xxx postfix/smtpd[8845]: warning: connect to Milter service inet:127.0.0.1:12768: Connection refused

And 4.7.1 still there

Feb 20 14:30:03 xxx postfix/smtpd[7289]: NOQUEUE: milter-reject: CONNECT from 223.179.15.xx.dynamic.jazztel.es[37.15.179.xx]: 451 4.7.1 Service unavailable - try again later; proto=SMTP

Maybe is a port (12768) connection error? How I can test that port?

This KB article does not solve anything as the load of the server is 0.1-0.5 [URL] ....

A temporal fix is to edit /etc/postfix/main.cf file comment these two lines:

smtpd_milters = , inet:127.0.0.1:12768
non_smtpd_milters = , inet:127.0.0.1:12768

And restart postfix (/etc/init.d/postfix restart)

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Plesk 12.x / Windows :: HTTP Error When Installing Applications

Sep 24, 2014

Plesk 12.0.18 updated recently. After resolution of any problems caused by migration, I'm on the last (I think).

By accessing the domain panel and try to install Wordpress on the applications tab, I encounter the error below:

Error: The Following error has occurred During The download of application: HTTP Error (0)

[URL] ....

This error is repeated for the installation of any application, such as Joomla and Drupal.

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Plesk 11.x / Linux :: Service Temporarily Unavailable On CentOS 6

Sep 5, 2014

I'm running a CentOS 6 server with Plesk 11.0.9 installed. It's only being used for dev purposes with only a couple vhosts running on it. All of the vhosts are using PHP - there are a few WordPress sites and Zend Framework 2 applications running. Up until a few months ago it was also running a high traffic WordPress site, but that's no longer the case.

This server has been running without problems for over a year. A few days ago I first started noticing 503 errors (Service Temporarily Unavailable) on accessing one of the vhosts from the web browser.

I logged on through ssh and noticed the load was a bit higher than I expected (nothing crazy though). All other vhosts using PHP also gave me the same error. The only vhost that was working normal was a Ruby on Rails app (Redmine).

I also did a netstat -napt and noticed many connections from two or three IP addresses. I checked their geographical location and after blocking them through iptables the problem seemed to have gone away.

Now it's a few days later and the same problem started popping up. I checked again through netstat and noticed that again a whole bunch of connections from only a handful of IP addresses were connected to Apache.

When I was digging deeper I noticed that some of those IP addresses were what looks to me like other servers (at least they're running Apache). I'm suspecting they are hacked servers and they're trying to use my server to send spam or some other type of evil.

I just blocked those new IP addresses in iptables and that seemed to have solved the problem for now again, but I want to solve the root of the problem.

So my questions are:
1) How can I find out to what vhost those clients are connected?
2) Why does Apache stop working with not that many client connections, when it used to serve thousands of visitors at the same time when that big site was still running on this server?
3) What could they possibly be using my server for? The first time it happened I thought that they found some leaking WordPress plugin to use to spam people, but today I checked and there's barely anything in the mail queue.

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Plesk 12.x / Linux :: Greylisting Log Message - Service Unavailable

Jun 25, 2015

I have a question regarding greylisting.

I activated greylisting on my mailserver and took a look in the logfiles.

The mail are temporary rejected with the following log message / statuscode:

451 4.7.1 Service unavailable - try again later;

Mails from my server to other servers are greylisted with messages like:
451 4.7.1 message delayed, see http://www.greylisting.org ;
452 Greylisted. Please try again after some time.
451 4.7.1 <E-MAIL-ADRESSE>: Sender address rejected: Greylisting in action. Please try again later.

Is it possible to change this log message at my server?

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Plesk 12.x / Linux :: Random 503 Service Temporarily Unavailable

Apr 12, 2015

Every now and then I will attempt to load my Plesk 12, CentOS6 Website, and receive the following error:

503, Service Temporarily Unavailable.

It requires a restart of nginx and apache in order to remove the error. It then can come back in a week, or in a few hours. Its completely random. I also can't find anything in the logs.

This started happening after I enabled backups, then later disabled backups because of problems with my backup server. However this does not occur when my scheduled backup was.

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Plesk 12.x / Windows :: Can't Get WP To Initiate Installation Process - HTTP 500 Error

Feb 24, 2015

I'm trying to install worpress manually but I can't get the WP do initiate the installation process.

I give a HTTP 500 error

I have Windows 2012 R2 server.

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Plesk 11.x / Linux :: Milter Rejecting Emails Service Unavailable

Jan 21, 2015

All genuine emails are making it through fine - barring one or two domains, which fail with postfix/cleanup[5184]: warning: milter inet:127.0.0.1:12768: can't read SMFIC_BODYEOB reply packet header: Connection timed out

postfix/cleanup[5184]: 5082A22A8E: milter-reject: END-OF-MESSAGE from XX-XX-202-76.dsl.in-addr.zen.co.uk[XX.XX.202.76]: 4.7.1 Service unavailable - try again later; from=<newsalert@financialexpress.net> to=<nameremoved@domain.co.uk> proto=ESMTP helo=<mailrelayname.co.uk>

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Plesk 11.x / Windows :: 550 Requested Action Not Taken / Mailbox Unavailable Or Not Local

Jan 22, 2014

I have a plesk 11.0.9 on a windows server 2008 R2 which has MailEnable. One of my customers faced a problem to send emails from one of his local mailboxes to another of his local mailboxes! He got this error:Your message did not reach some or all of the intended recipients.The following recipient(s) cannot be reached.Server error: '550 Requested action not taken: mailbox unavailable or not local'

But we are sure the recipient mailboxes exist and work fine!I checked this link: URL....It dosen't work for this case.

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Plesk 11.x / Windows :: Server Response Was Requested Action Not Taken / Mailbox Unavailable

Apr 14, 2014

I've just recently installed Plesk Panel 11.5. Previously I was using a basic IIS Mail Server with the current server allowed to relay messages for my Web Sites.After installing Plesk, I went to Tools & Settings -> Server-Wide Mail Settings. In there, I have relaying set to Authorization is required (SMTP) and for the relay access I have the following 3 entries:

127.0.0.1/32
::1/128
<My Servers IP>/32

Whenever one of my sites tries to use this server now to send out mail, I keep getting the following error:Mailbox unavailable. The server response was: Requested action not taken: mailbox unavailable or not local...I've been struggling with this issue for weeks now and have read all the documentation and forum posts I could think of, I've restarted the server, I've run C:Program FilesSWsoftPleskadminin>mchk --all --fix=all

The e-mail accounts that I'm using to send mail from has nothing to do with this server and it's domains, I'm just trying to set the mail server to start sending mails like my IIS server used to.I've found the setting to Open Relay on the server and have activated it, yet whenever one of the websites attempts to send a mail, the same response is received.Mailbox unavailable. The server response was: Requested action not taken: mailbox unavailable or not local.

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Service Unavailable - Zero Size Object

Apr 24, 2007

Using Apache 2.0.52 + PHP 4.3.10 on Linux (Fedora Core 2), I get this
error message when accesing my PHP page:
---------------

Service Unavailable - Zero size object
The server is temporarily unable to service your request. Please try
again later.
Reference #15.21eaaad4.1173400585.294a7ed8
---------------

I fixed it by restarting Apache, but I'd like to know the reason of this error. Does anybody have any experience with this issue?

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Ruby Rails :: Service Temporarily Unavailable

Jul 9, 2009

I setup Ruby Rails via Cpanel > Ruby Rails area.

I have uploaded typo files to /etc/rails_apps/typo and setup mysql database user password. When I visit the domain at [url]typo I get a 503 / Service Temporarily Unavailable error message.

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Plesk 12.x / Linux :: Internal Error - Unable To Find Service Node For Web Service On Domain With ID 5

Jun 15, 2014

Clean install on openSUSE 13.1

After deleting a domain, we got the following error which rendered the panel useless.

Internal error: Unable to find service node for web service on domain with id=5
Message Unable to find service node for web service on domain with id=5
File PhDomain.php
Line 1402
Type PleskDBException
Go To Previous Page

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Plesk 11.x / Windows :: Values In Priority Of Service And Weight Of Service In SRV Records

Jul 6, 2014

We are currently using Parallel Plesk 11.0 version and there is one requirement from microsoft provider to add the exact same values in SRV Records.

Priority of Service = 100
Weight of Service = 1

but these values are not available in the dropdownlist. attached are the screenshots.

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Plesk 12.x / Linux :: Error Using Wordpress Service

Sep 21, 2014

if I try to use the new wordpress service in the admin panel, I get following errors:

By starting a search of wordpress installations: PHP Fatal error: "Die Suche nach WordPress-Installationen wurde mit Fehlern abgeschlossen: Resource with UID 'c94fef81-1552-43e1-ae5b-ce125776caa7' not found."

One installation is found but by open the detail view I get the error "Call to undefined function is_admin() in /usr/share/plesk-wp-cli/php/wp-cli.php(18) : eval()'d code on line 87".

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Plesk 11.x / Linux :: Postfix / Cleanup Milter Service Error

Jul 9, 2013

I have tried installing Parallels Premium Outbound AntiVirus, but uninstalled it again. The postfix mail server was working before uninstalling. Now I get the following errors:

Code:

Milter reject: 4.7.1 Service unavailable - try again later;
Jul 9 22:17:02 sl1 postfix/cleanup[9308]: warning: connect to Milter service unix:/ctmilter/ctmilter.sock: No such file or directory

This means no mail goes in or out of the system.

When viewing Plesk pannel, everything seems alright.

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Plesk 12.x / Windows :: Web Management Service Not Starting

Mar 22, 2015

I am receiving this error for IIS WMS service does any one have the same error?

Could not complete the operation: defpackagemng failed: Unspecified error (Error code 2147483656) at Start service WMSVC

As a result of the above error the service is not starting.my server is 2012 R2 up to date with all the plesk updates

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Nov 1, 2013

I'm trying to integrate AWS Route 53 DNS service with Plesk 11 but cant get it to work after carefully following the steps in the administrator and developing extensions guides.

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Nov 14, 2014

I can get the service list by /usr/local/psa/bin/service –l

But when i try /usr/local/psa/bin/plesk –-status it show error : No such file or directory

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Jul 8, 2015

How can I remove " " from properties domain aliases?
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Mail service - Mail service is switched on for the domain. mx1.domain.ru., mx2.domain.ru. is used as the mail server.
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Oct 30, 2014

I go to Mail>Mail seetings, select all my OFF domains and click Acticate/Deactivate Services, select Enable from the drop down and click OK, but the mail service stays OFF.

Plesk 12.0.18, Windows Server 2008 R2 SP1.

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May 11, 2013

I have it installed with SmarterMail.

However I have a need to recreate a Service Plan that does not add the domain to SmarterMail.

Like on the Hosting Parameters tab there is an Enable hosting tick box, I need the same type of tick box on the Mail tab.

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The Error Detected Is: Http Error:Http_client.No_reply

May 22, 2007

A lot of downtime recently, The following url is down:
after i restart the apache, it will back to normal,

[url]

the error detected is:

Http error:Http_client.No_reply
Error was detected at 2007-05-22 04:17:08

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Oct 16, 2013

Is there a way to restart IIS via the Plesk 11.5 service provider panel (windows 2008 server with no root access).

I am trying to setup custom error pages and the documentation says to restart IIS after you make the change. At i dont have root access i currently have to ring Webfusion and ask them to do it

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Mar 1, 2013

I am doing migration of plesk 11 from one server to another server on both server version is same but after migration I cant find any service plan which is there on old server.how can i copy / migrate service plan from one serer to another server

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Plesk 12.x / Windows :: After Upgrade Unable To Dump IP Addresses For Mail Service

Jul 23, 2014

After upgrading from 11.5.30 to 12.0.18, when make backup see next message:

<?xml version="1.0" encoding="utf-8"?>
<execution-result status="error">
<object name="example.com" type="domain">
<message severity="error" id="167b9714-3e33-4863-861d-69c4f559afe6" code="InformationalException">
<description>Unable to dump IP addresses for mail service</description>

[Code] ....

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Oct 7, 2014

I´ve read that a whole https website might be better for SEO than just a mixed version. So I want to change the whole website to https.

We are using Plesk 12 on Win 2008 R2.
One Website is using DotNetNuke 7.3.2.

How can I automatically set the whole website to https?

What happens to the users that just type domainname.com without http or https.?

What is the right search engine friendly technique to permanently redirect to the https version even when the user is not using the application protocol prefix http/https?

Where can I do the setup in Plesk 12 fro Windows?

Are their any other drawbacks that I have to think over before I do the changes?

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Jan 23, 2015

When a reseller create a service plan themselves...is there any way to limit the CPU and memory setting for the application pool to recycle on their own created plan?

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