Remote Server returned '550 5.1.1 RESOLVER.ADR.ExRecipNotFound; not found'

Hi all,
having the following issue that started today,everything been working fine until now.
When Office 365 users send e-mail to some on premise users they get the following error in Return.
Remote
Server returned '550 5.1.1 RESOLVER.ADR.ExRecipNotFound; not found'
On premis users (Exchange 2013) can send to the same contact just fine.So for 365 users that failed we have tested the following:
Using OWA,says recepient cannot be found.
All 365 users fails to same recepients,for now a dosen People.
Address that fail,mailboxes are spread accross different databases.
Cannot see any error in event Viewer related to this.
Any tips?
thanks!
Please mark as helpful if you find my contribution useful or as an answer if it does answer your question. That will encourage me - and others - to take time out to help you. Thank you! Off2work

Hi Ed,
thanks for reply and sorry for late reply,been alot to do lately With lots if migrations and errors.
YEs you are correct that the problem is caused by useraccount was in wrong OU and was not sync to the "Cloud".
Move users Object to correct OU and all was working fine.Strange this is that it have worked before,so does it mean that if user is not in the OU defined to synced,it will be removed from the cloud?
Br
Ill put it as resolved :)
Please mark as helpful if you find my contribution useful or as an answer if it does answer your question. That will encourage me - and others - to take time out to help you. Thank you! Off2work

Similar Messages

Sending to external address: 550 5.1.1 RESOLVER.ADR.ExRecipNotFound; not found

Hi. We are using now two systems of Exchange. 2010 SP3 on-premises as part of SBS 2011 and Exchange Online. Two yaers 2010 works good. But 2-3 month ago one user began to receive error when he send email from 2010 to Exchange Online:
550 5.1.1 RESOLVER.ADR.ExRecipNotFound; not found
IMCEAEX-_O=EXCHANGELABS_OU=EXCHANGE+20ADMINISTRATIVE+20GROUP+20+28FYDIBOHF23SPDLT+29_CN=RECIPIENTS_CN=6FB07FEC5205488CBDFDC30357EFDEF8-TOBIAS@domain.local
#550 5.1.1 RESOLVER.ADR.ExRecipNotFound; not found ##
Ursprüngliche Nachrichtenköpfe:
Received: from MX.domain.local ([XXX.XXX.XXX.XXX]) by MX.domain.local
([XXX.XXX.XXX.XXX]) with mapi id 14.03.0174.001; Tue, 11 Mar 2014 10:16:10 +0100
Content-Type: application/ms-tnef; name="winmail.dat"
Content-Transfer-Encoding: binary
From: David David<[email protected]>
To: =?Windows-1252?Q?Tobias_Tobias_?= <[email protected]>
Subject: AW: radar bilder
Thread-Topic: radar bilder
Thread-Index: AQHPPGR6TwWhAAAOtEWIAnQvTY5AzprbnBRr
Date: Tue, 11 Mar 2014 10:16:10 +0100
Message-ID: <[email protected]>
References: <CF437C4B.22C52%[email protected]>
In-Reply-To: <CF437C4B.22C52%[email protected]>
Accept-Language: de-DE, en-US
Content-Language: de-DE
X-MS-Has-Attach:
X-MS-TNEF-Correlator: <[email protected]>
MIME-Version: 1.0
I have read Internet about this case. And this solutions help to us, but only for one month... But it comes again and again. I
have read information about X500 address, but these all cases involved
a local user. When error comes description is about wrong X500 for local user. Why my Exchange 2010 SP3 doesn't send email to external domain, but looking in local database? Of course this address absent in database, because it is
external address.
Can be this is due to the fact that the user stores more than 30,000 messages in one folder and OAB always crushed?
This problem has only one user, and only while he write to Exchange Online domain.
Thank you!

Hello,
Please try to use owa to send a message to exchange online user to check the result.
Because there are many messages, I recommend you set retention policy, and then apply it to the user's mailbox.
Cara Chen
TechNet Community Support

#550 5.1.1 RESOLVER.ADR.ExRecipNotFound; not found ##

We have a distribution list with 3 external users set up as custom contacts and two internal domain users.
When you send to the dist list the three external users fail and we receive
The e-mail address you entered couldn't be found. Please check the recipient's e-mail address and try to resend the message. If the problem continues, please contact your helpdesk.
Exchange 2010 Standard SP3 RU3
Server 2008 R2 Standard
Was messily upgraded sometime ago from Exchange 2003.
Could be a legacy Issue?
Any assistance would be greatly appreciated.

Hi,
Thanks for your response. It's great to hear the good news.
Best regards,
Amy
Amy Wang
TechNet Community Support

550 5.1.1 RESOLVER.ADR.RecipNotFound; not found

Exchange 2013 to Office 365
Delivery has failed to these recipients or groups:
[email protected]<mailto:[email protected]>
The email address you entered couldn't be found. Please check the recipient=
's email address and try to resend the message. If the problem continues, p=
lease contact your helpdesk.
Diagnostic information for administrators:
Generating server: EX-01.asianpaintsbd.com
[email protected]
Remote Server returned '550 5.1.1 RESOLVER.ADR.RecipNotFound; not found'
Original message headers:
Received: from EX-01.asianpaintsbd.com (192.168.0.8) by
EX-01.asianpaintsbd.com (192.168.0.8) with Microsoft SMTP Server (TLS) id
15.0.620.29; Sat, 1 Mar 2014 12:43:43 +0600
Received: from mailgate.asianpaints.com (192.168.0.254) by
EX-01.asianpaintsbd.com (192.168.0.8) with Microsoft SMTP Server id
15.0.620.29 via Frontend Transport; Sat, 1 Mar 2014 12:43:43 +0600
Received: from appolicy.asianpaints.com (appolicy.asianpaints.com
[172.25.30.13])        by mailgate.asianpaints.com (Postfix) with ESMTP id
6BC55201D3     for <[email protected]>; Sat, 1 Mar 2014 12=
:17:23
+0530 (IST)
Received: from mail pickup service by appolicy.asianpaints.com with Microso=
ft
SMTPSVC;        Sat, 1 Mar 2014 12:13:13 +0530
thread-index: Ac81GYSiNf8cxYe8ThegGiLPANUKMQ=3D=3D
Content-Transfer-Encoding: 7bit
Content-Class: urn:content-classes:message
Importance: normal
Priority: normal
Received: from cmail.asianpaints.com ([192.168.40.3]) by
appolicy.asianpaints.com with Microsoft SMTPSVC(6.0.3790.3959); Sat, 1 Mar
2014 12:13:13 +0530
Received: from ibu.asianpaints.com (ibu.asianpaints.com [192.168.40.2]) by
cmail.asianpaints.com (Postfix) with ESMTP id 261C919E42 for
<[email protected]>; Sat, 1 Mar 2014 12:13:13 +0530 (IST)
Received: from apbl17 (unknown [116.68.197.114]) by ibu.asianpaints.com
(Postfix) with SMTP id DD14814D7FD; Sat, 1 Mar 2014 12:13:09 +0530 (IST)
Message-ID: <36F973864DEF41E985442FF4DABA2B2D@apbl17>
From: "Md. Mahmudul Hasan" <[email protected]>
To: Bhabotosh Mukharjee <[email protected]>, "'Md.
Salehuddin'" <[email protected]>, 'mridul kumar mazumder'
        <[email protected]>
CC: 'Anjan Sir' <[email protected]>, 'Saifur rahman Rahman'
        <[email protected]>, 'Mohammad Ullah Khan'
        <[email protected]>, 'FARUQUE-UL ISLAM Boss'
        <[email protected]>, <[email protected]=
om>,
        ''Aroop Chatterjee'' <[email protected]>,
        <[email protected]>, ''Mohammad Fuad Khan''
        <[email protected]>, <[email protected]>
References: <008401cf3505$2ac16620$6a80a8c0@Wearhouse>
<[email protected]>
Subject: Re: To Start Dispatch oparation To Demra Depot.
Date: Sat, 1 Mar 2014 12:43:27 +0600
MIME-Version: 1.0
Content-Type: multipart/alternative;
        boundary=3D"----=3D_NextPart_000_009B_01CF354B.D7F8CD60"
X-Priority: 3
X-MSMail-Priority: Normal
X-Mailer: Microsoft Outlook Express 6.00.2900.5931
X-MimeOLE: Produced By Microsoft MimeOLE V6.00.3790.3959
X-OriginalArrivalTime: 01 Mar 2014 06:43:13.0208 (UTC) FILETIME=3D[84989380=
:01CF3519]
Return-Path: [email protected]
Md. Ramin Hossain

Hi,
According to your description, I found that delivery failed when sent email from Exchange 2013 to Office 365. Following is my understanding, please correct me if there is any misunderstanding.
1. The sender Md. Mahmudul Hasan's mailbox holding in Exchange 2013 server.
2. The recipients' (in "To" and "Cc" field) mailboxes holding in Office 365.
3. When the sender Md send email to the recipients, delivery failed and got the NDR "Remote Server returned '550 5.1.1 RESOLVER.ADR.RecipNotFound; not found'".
If it is the case, please verify the recipients' email addresses.
If the recipients are all moved from Exchange 2013 to Office 365, this issue may occur if the on-premises mail-enabled user who represents the moved mailbox isn't stamped correctly with the target address.
The Exchange server generates an NDR message because the on-premises Active Directory Domain Services (AD DS) can't locate the user in order to route the mail correctly.
More details in the following KB:
"Delivery has failed" and "550 5.1.1 RESOLVER.ADR.RecipNotFound" NDR after a mailbox is moved to Office 365
http://support.microsoft.com/kb/2685437/en-us
Hope it is helpful
Thanks
Mavis
If you have feedback for TechNet Subscriber Support, contact
[email protected]
Mavis Huang
TechNet Community Support

Smtp;550 5.1.1 RESOLVER.ADR.RecipNotFound; not found

hello All,
I am getting the above error when i send a mail from external domain. I have exchange server 2010 on and O365 account. From last 2 months i am not using O365 account and even active sync is also not working. And recently O365 subscription was over. So now
non -synced users are not getting mails from external domain. Please find the below complete error.
The email address you specified couldn't be found or is invalid. It may be due to a bad entry in your Outlook or Outlook Web App recipient AutoComplete cache. Use the steps below to delete the entry from the cache:
Click New mail.
In the To field start typing the recipient's name or email address until the recipient appears in the drop-down list.
Use the DOWN ARROW and UP ARROW keys to select the recipient, and then press the DELETE key.
Then resend your message – delete and retype the recipient’s name or e-mail address before sending it.
For more tips on how to resolve this issue see DSN code 5.1.1 in Exchange Online.
Diagnostic information for administrators:
Generating server: DM2PR08MB368.namprd08.prod.outlook.com
[email protected]
Remote Server returned '550 5.1.1 RESOLVER.ADR.RecipNotFound; not found'
Original message headers:
Received: from BLUPR08CA0072.namprd08.prod.outlook.com (10.141.200.52) by
DM2PR08MB368.namprd08.prod.outlook.com (10.141.55.154) with Microsoft SMTP
Server (TLS) id 15.0.1010.18; Wed, 20 Aug 2014 16:55:58 +0000
Received: from BN1AFFO11FD021.protection.gbl (2a01:111:f400:7c10::118) by
BLUPR08CA0072.outlook.office365.com (2a01:111:e400:88d::52) with Microsoft
SMTP Server (TLS) id 15.0.1010.18 via Frontend Transport; Wed, 20 Aug 2014
16:55:56 +0000
Received: from mail-vc0-f171.google.com (209.85.220.171) by
BN1AFFO11FD021.mail.protection.outlook.com (10.58.52.81) with Microsoft SMTP
Server (TLS) id 15.0.1010.11 via Frontend Transport; Wed, 20 Aug 2014
16:55:56 +0000
Received: by mail-vc0-f171.google.com with SMTP id hq11so9516889vcb.30
for <[email protected]>; Wed, 20 Aug 2014 09:55:55 -0700 (PDT)
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed;
d=gmail.com; s=20120113;
h=mime-version:date:message-id:subject:from:to:content-type;
bh=UIg592euC1okrJydwvvU1ssSy4p+p3l+Nh+vpxrcn/Y=;
b=yhVCdHhs616U6+U4K7UqoQwm+eUrFgIJMKqmEUzREUgdgcgFtoM9+5MABnFeEjW7Cz
RT7vVTlH+v7nH/iW+nntxCRi4I3cqLUcAY8AgM5kGVoGBURCqo66dVbxWghB0HMDiZ7D
1AMDv1gez/PG8pmOpSVtkg1xmp0a/19vlPcqJ5ZRBlU/HdAuEYRp9M8ZBZLXgYF9RfDg
PphDqDLqDZ+Y7yNVIbAoC3gHA9kqfqAgWp3HOqRWb5TcRWI7sb9pj5ifYPQBVDJ6ozAS
jGfhzvxWHnbBPzVKqcCmkgrUVcSX8cUCrZqBjSk6c616nHSjVy6fRHnPdyIJ0Nzd6cnk
FR5Q==
MIME-Version: 1.0
X-Received: by 10.52.136.196 with SMTP id qc4mr15358922vdb.22.1408553755439;
Wed, 20 Aug 2014 09:55:55 -0700 (PDT)
Received: by 10.52.178.168 with HTTP; Wed, 20 Aug 2014 09:55:55 -0700 (PDT)
Date: Wed, 20 Aug 2014 22:25:55 +0530
Message-ID: <CA+GyOUV7n1V35=GRmzciyuocnAFngUN1Kba0XUbbT2QjEUb4Cg@mail.gmail.com>
Subject:
From: sai siva kumar <[email protected]>
To: <[email protected]>
Content-Type: multipart/alternative; boundary="bcaec51b12bd3d78fb0501127a3a"
Return-Path: [email protected]
X-EOPAttributedMessage: 0
X-Forefront-Antispam-Report: CIP:209.85.220.171;CTRY:US;IPV:NLI;EFV:NLI;
X-Microsoft-Antispam: BCL:0;PCL:0;RULEID:;UriScan:;
Final-Recipient: rfc822;[email protected]
Action: failed
Status: 5.1.1
Diagnostic-Code: smtp;550 5.1.1 RESOLVER.ADR.RecipNotFound; not found
Thanks

Hi,
Have you tried deleting the bad entry in your Outlook or Outlook Web App recipient AutoComplete cache as the error message suggested? If not, please have a try on it.
In addition, this issue may also occur if the on-premises mail-enabled user who represents the moved mailbox isn't stamped correctly with the target address. The Exchange server generates an NDR message because the on-premises Active Directory Domain Services
(AD DS) can't locate the user in order to route the mail correctly. To resolve it, please refer to this KB article:
http://support.microsoft.com/kb/2685437
Also have a look at the following article regarding 5.1.1 error:
http://technet.microsoft.com/en-us/library/dn479208(v=exchg.150).aspx
Since this forum is for questions and feedback related to Office Client side issue, you can also post a question in Exchange Online forum for further assistance:
http://social.technet.microsoft.com/Forums/msonline/en-US/home?forum=onlineservicesexchange
Thank you for your understanding.
Best Regards,
Steve Fan
TechNet Community Support
It's recommended to download and install
Configuration Analyzer Tool (OffCAT), which is developed by Microsoft Support teams. Once the tool is installed, you can run it at any time to scan for hundreds of known issues in Office
programs.

#550 5.1.1 RESOLVER.ADR.RecipNotFound; not found ## for all emails to one of my domains

Hi All
I can see this question has been asked allot, but none of the answers seem to be the same as my issue
Exchange 2007 / SBS 2008
I have 3x domain email addresses for all of my recipients
@domain1.com (default reply)
@domain2.com
@domain3. com
@domain4.com
all of a sudden, all emails getting sent to anyone with @domain2.com are bouncing, to start with there was no reponse, but the mail logs were showing "550 5.1.1 User unknown" in the logs
So I unticked "Block messages to recipients not listed in the GAL" on exhange anti spam, after this the messages were getting to the exchange server, but then getting bounced with the above message
I have tried removing domain2.com from the email address policy and the acceprted domains, and readding it, but it made no difference
all my other domains still work fine, its only this one
I'm at my wits end with this, if anyone can shed some light it would be appreciated
Let me know what other info i need to provide
Cheers

No issues related to the GAL in the event log
I have disabled all the anti spam features
first I restarted all the services, no change, then I booted the whole sever and that made no difference
all the domains are set up as authoritive
the domain2.com is a seccondary email address for all users, so
user1 has
[email protected], [email protected], [email protected], [email protected]
I can email successfully to user1 on all emails execpt for [email protected], that bounces, and the same issue occurs for everyone not just mail sent to user1, so its definitely related to domain2.com
it's really odd
any other ideas
Cheers

Remote Server returned '550 5.7.1 Command not allowed'

I have a user that modified a meeting request that was initially sent by her boss. She has rights to her boss' calendar. After modifying the meeting request, she received the following undeliverable. Any idea where to start troubleshooting?
Thanks
Your message wasn't delivered due to a permission or security issue. It may have been rejected by a moderator, the address may only accept email from certain senders, or another restriction
may be preventing delivery.<o:p></o:p>
"domain name" gave this error:
Command not allowed <o:p></o:p>

Hi redman71,
Thank you for your question.
We could refer to the following steps to make sure we have grant correct permission for user:
1.Open Outlook 2013.
2.Select Calendar.
3.On the Home tab, select Calendar Permissions.
4.Select the Permissions tab if it is not already selected.
5.Select Add.
6.Type the name of the person you wish to add (e.g, doe, jane). Highlight the name that you want to add.
7.Click the Add button and the user's name will display underlined in the text box to the right.
8.Click Ok.
9.Under Permissions you can set the appropriate permissions for the user (e.g., Reviewer, Author, etc.)
10.Click OK when you are finished selecting the permissions.
Permission Settings:
Owner: Create, read, modify, and delete all items, and create subfolders. Can change the permission levels that other people have for the folder.
Publishing Editor :Create, read, modify, and delete all items and create subfolders.
Editor: Create, read, modify, and delete all items.
Publishing Author: Create and read items, create subfolders, and modify and delete items and files that you create. (Does not apply to delegates.)
Author: Create and read items, and modify and delete items and files that you create.
We could refer to the following link:
https://technet.microsoft.com/en-us/library/dd298062(v=exchg.150).aspx
If there are any questions regarding this issue, please be free to let me know.
Best Regard,
Jim
Please remember to mark the replies as answers if they help, and unmark the answers if they provide no help. If you have feedback for TechNet Support, contact [email protected]
Jim Xu
TechNet Community Support

Exchange 2013 - Outlook 2010 - 550 5.1.0 RESOLVER.ADR.InvalidInSmtp; encapsulated INVALID address inside an SMTP address

Hello,
I have issue when sending email to some addresses. Server respond with:
Remote Server returned '550 5.1.0 RESOLVER.ADR.InvalidInSmtp; encapsulated INVALID address inside an SMTP address (IMCEAINVALID-)'
My enviroment: Exchange 2013, Outlook 2010 - no cached mode. Issue happend with two email addresses but not always.
Any suggestion, how to resolve issue?
Thx.

Hi Tomas,
Does this issue occur in OWA? How is the impact, only one user or all users?
Please try to run Outlook under safe mode to avoid add-ins and AVs.
If there is any 3rd party add-ins, please try to disable them for testing.
Thanks
Please remember to mark the replies as answers if they help, and unmark the answers if they provide no help. If you have feedback for TechNet Support, contact [email protected]
Mavis Huang
TechNet Community Support

RESOLVER.ADR.ExRecipNotFound

Friends i am really not sure why this is happening.. I have two seperate exchange servers for one client .. who has seperate companies one hosted on one exchange and other on other exchange.
in below error someone from company1.com sent mail to company2.com and below LIZARD server is of compnay1. but the mail didnt go through and in the below error company2 user got converted to this long string and is showing the email ID somehow got converted
to company1 address. Please see below
Sender : [email protected]
Receiver :[email protected]
the client then deleted this entry from outlook sends it again and it goes but next morning again same. Please advise. they getting loads failure becz of
RESOLVER.ADR.ExRecipNotFound;
Diagnostic information for administrators:
Generating server: LIZARD.company1.local
IMCEAEX-_O=client+20COMPANY2_ou=Exchange+20Administrative+20Group+20+28FYDIBOHF23SPDLT+29_cn=Recipients_cn=[email protected]cal
#550 5.1.1 RESOLVER.ADR.ExRecipNotFound; not found ##
Thanks, Happiness Always
Jatin
Skype: jatider2jatin, Email: [email protected]

Hi Jatin,
Based on my knowledge, i have given some points please have a look .
1.You need to check the x500 address on the mailbox user (i.e user2) is assigned in proper format or not.In some cases that x500 value will get missed for a mailbox and in your case it could be user2 mailbox.
2.Please add the below mentioned x500 value to the user2 mailbox and check whether you are getting the same error.
/O=client COMPANY2/ou=Exchange Administrative Group (FYDIBOHF23SPDLT)/cn=Recipients/cn=abf582692ef2485c9fab6f7bbfc6dee5-UUSER NAME
Note : On the above value between exchange administrative group and (FYDIBOHF23SPDLT) , you have to provide single space.
Reference Link : http://msexchangeguru.com/2012/03/15/x500/
Thanks & Regards S.Nithyanandham

Cannot Connect to B1i Server, The Remote Server Returned an Error 401

Hi,
I have installed the integration package ( Without any errors in the installation) and when I connect to SAP B1 I am getting an error msg "Cannot connect to B1i Server. The Remote server returned an error : (401) Unauthorized" And I am not able to view Dasboards.
Thanks in Advance,
Dasari.

Hi Dasari,
When I had installed, this thread helped me out a lot, you should give it try also -
Re: remote server error: (400) bad request. installing Cockpit
and this
[Guide Deleted 31 OCT 2011 - Contained Out of Date Information]
Edited by: Jason Lax on Oct 31, 2011 10:44 AM

Getting "The remote server returned an error 503 server unavailable" in azure web jobs

I have created one web
job - on demand schedule under azure web site. This web jobs contains .execmd(i.e.)
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I am retrieving the data from SQL Azure database and uploaded the data in sharepoint online lists. (i.e.)I have uploaded the data to several(7) lists in each subsites. I have 3 subsites.
I am getting this error "The remote server returned an error 503 server unavailable", while uploaded the data into lists.
Full Error Message:
Message - The remote server returned an error 503 server unavailable.
StackTrace - at System.Net.HttpWebRequest.GetResponse()
> cc525c: INFO] at Microsoft.SharePoint.Client.SPWebRequestExecutor.Execute()
> cc525c: INFO] at Microsoft.SharePoint.Client.ClientRequest.ExecuteQueryToServer(ChunkStringBuilder sb)
> cc525c: INFO] at Microsoft.SharePoint.Client.ClientRequest.ExecuteQuery()
> cc525c: INFO] at Microsoft.SharePoint.Client.ClientRuntimeContext.ExecuteQuery()
> cc525c: INFO] at Microsoft.SharePoint.Client.ClientContext.ExecuteQuery()
This is not occur every time. Some time i didn't get any error data successfully uploaded in share point online list.
Totally 4 hours taken uploaded the data into list for completed all 3 subsites.
If anyone know how to resolve this.
Thanks,
A.Ramu

Hi,
Per my understanding, there is an issue when uploading data from SQL Azure database to a SharePoint list in Online environment.
For narrowing down the issue, I suggest you create a Console Application in Visual Studio without accessing the SQL Azure database and upload some sample data to the same SharePoint
list to see if the issue still occurs intermittently.
Thanks
Patrick Liang
TechNet Community Support
Please remember to mark the replies as answers if they help, and unmark the answers if they provide no help. If you have feedback for TechNet Support, contact
[email protected]

Error occurred in deployment step 'Uninstall app for SharePoint': The remote server returned an error: (502) Bad Gateway.

Installed SP 2013 Foundation in my Hyper-V machine
Created and done all the steps mentioned here http://blogs.msdn.com/b/shariq/archive/2013/05/07/how-to-set-up-high-trust-apps-for-sharepoint-2013-amp-troubleshooting-tips.aspx && http://msdn.microsoft.com/en-us/library/office/fp179901%28v=office.15%29.aspx
for self signed certificate
copied those two certificates in my local machine(base machine) D drive
(D:\Cert)
Both VM and base machine are in same domain
Installed VS 2013 in my base machine and create a Provided hosted app with the copied certificates, (For creation i followed the above mentioned URL)
Just created and hit F5 to run in my base machine, but getting this error
Error occurred in deployment step 'Uninstall app for SharePoint': The remote server returned an error: (502) Bad Gateway.
Please help me to resolve this issue, trying to figure out from last 2 days
Thanks in Advance
Arun

Hi Harminder,
This happens because an app has already been deployed and you are deploying it again using the same version.
Resolution:
Open the AppManifest.xml file and change the version.
Vivek Jagga - MCTS SharePoint
SharePointExcellence

The remote server returned an error: (503) Server Unavailable In SharePoint 2010.

I created a web app with claims based authentication ,
basiclly i follwe this blog
http://donalconlon.wordpress.com/2010/02/23/configuring-forms-base-authentication-for-sharepoint-2010-using-iis7/
but when i login it throws 503 error
Server Error in '/' Application.
The remote server returned an error: (503) Server Unavailable.
Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.
Exception Details: System.Net.WebException: The remote server returned an error: (503) Server Unavailable.
Source Error:
An unhandled exception was generated during the execution of the current web request. Information regarding the origin and location of the exception can be identified using the exception stack trace below.
Stack Trace:
[WebException: The remote server returned an error: (503) Server Unavailable.]
System.Net.HttpWebRequest.GetResponse() +1126
System.ServiceModel.Channels.HttpChannelRequest.WaitForReply(TimeSpan timeout) +81
[ServerTooBusyException: The HTTP service located at http://localhost:32843/SecurityTokenServiceApplication/securitytoken.svc is too busy. ]
System.Runtime.Remoting.Proxies.RealProxy.HandleReturnMessage(IMessage reqMsg, IMessage retMsg) +10258154
System.Runtime.Remoting.Proxies.RealProxy.PrivateInvoke(MessageData& msgData, Int32 type) +539
Microsoft.IdentityModel.Protocols.WSTrust.IWSTrustContract.Issue(Message message) +0
Microsoft.IdentityModel.Protocols.WSTrust.WSTrustChannel.Issue(RequestSecurityToken rst, RequestSecurityTokenResponse& rstr) +61
Microsoft.IdentityModel.Protocols.WSTrust.WSTrustChannel.Issue(RequestSecurityToken rst) +36
Microsoft.SharePoint.SPSecurityContext.SecurityTokenForContext(Uri context, Boolean bearerToken, SecurityToken onBehalfOf, SecurityToken actAs, SecurityToken delegateTo) +26062081
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Microsoft.SharePoint.IdentityModel.SPWindowsClaimsAuthenticationHttpModule.GetSecurityTokenFromWindowsIdentity(WindowsIdentity windowsIdentity, HttpContext httpContext) +21
Microsoft.SharePoint.IdentityModel.SPWindowsClaimsAuthenticationHttpModule.AuthenticateRequest(Object sender, EventArgs e) +1176
System.Web.SyncEventExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute() +80
System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously) +171
any thoughts?
thanks in advance!
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Hi ,
I was also facing the same issue on changing my credentials. This effects the ServiceTokenApplicationPool and other pools related to the Web applications
To resolve this follow these :
1. Open IIS Manager , under Connection section you can see the Name of your site collection(as
siteCollectionName(Username))
2. Open SiteCollection , select Application Pools. A new window with your Web application pool names would open.
3. Right click on web app, select Advance Setting... , under Process Model select Identity
4. check for Custom account , click set and enter your Credentials and click
OK
Atlast Refresh the IIS manager.
Thank you.
Under application pools Do select the ServiceTokenApplicationPool also and follow steps 3 and 4

"the remote server returned an error (400) bad request." can't able to upload file size 1 MB

I cant able to upload the file size >1 MB its showing error."the remote server returned an error (400) bad request."
any one kindly help to fix the issue.

Hi,
Are you trying thru OOB or how..
Please check the "maximum file size for sharepoint".
refer below links for the same.
https://angler.wordpress.com/2012/03/21/increase-the-sharepoint-2010-upload-file-size-limit/
https://msdn.microsoft.com/en-us/library/ff487972.aspx
Don't forget to mark it as an Answer if it resolves your problem or Vote Me if it useful.
Mahesh

FTP Error (The remote server returned an error: (530) Not logged in.)

Hi,
I am unable to create a folder on FTP location via c# code.
I am getting the following error message:
The remote server returned an error: (530) Not logged in.
I have attached my code for your reference.
FtpWebRequest myFtpWebRequest = null;
myFtpWebRequest = (FtpWebRequest)FtpWebRequest.Create(new Uri(ftpfullpath + "/" + dirName));
myFtpWebRequest.Method = WebRequestMethods.Ftp.MakeDirectory;
myFtpWebRequest.UseBinary = true;
myFtpWebRequest.Credentials = new NetworkCredential(strUserNameFTP, strPasswordFTP);
FtpWebResponse response = (FtpWebResponse)myFtpWebRequest.GetResponse();
response.Close();
Note : value of ftpfullpath is "ftp://ftpxxxtest.com:21"

Hi,
Still I am getting the error:
Exception 1 : The remote server returned an error: (502) Command not implemented
I am getting this error message when I tried to find Whether the folder exist on FTP location. I will attached the code for your review.
try
string ftpServerIP = "ftp://ftptestcon.sathiyajeba.com:21";
string strUserNameFTP = "dev_backup";
string strPasswordFTP = "india@2090";
string ftpfullpath = ftpServerIP ;
var request = (FtpWebRequest)WebRequest.Create(ftpfullpath + "/" + directory);
request.Credentials = new NetworkCredential(strUserNameFTP.Normalize(), strPasswordFTP.Normalize());
request.EnableSsl = true;
request.Method = WebRequestMethods.Ftp.GetDateTimestamp;
FtpWebResponse response = (FtpWebResponse)request.GetResponse();
return true;
catch (WebException ex)
WriteLog("Error on FtpDirectoryExists : " + ex.Message.ToString());
FtpWebResponse response = (FtpWebResponse)ex.Response;
if (response.StatusCode == FtpStatusCode.ActionNotTakenFileUnavailable)
WriteLog("Error on FtpDirectoryExists : Test-1");
return false;
else
WriteLog("Error on FtpDirectoryExists : Test-2");
return false;
Exception 2: The remote server returned an error: (530) Not logged in.
Getting this error message when I tried to create a folder on FTP location. Attached the source code for your review.
string ftpServerIP = "ftp://ftptestcon.sathiyajeba.com:21";
string strUserNameFTP = "dev_backup";
string strPasswordFTP = "india@2090";
string ftpfullpath = strServerFTP;
try
FtpWebRequest myFtpWebRequest = null;
myFtpWebRequest = (FtpWebRequest)FtpWebRequest.Create(new Uri(ftpfullpath + "/" + dirName));
myFtpWebRequest.Method = WebRequestMethods.Ftp.MakeDirectory;
myFtpWebRequest.UseBinary = true;
myFtpWebRequest.Credentials = new NetworkCredential(strUserNameFTP.Normalize(), strPasswordFTP.Normalize());
FtpWebResponse response = (FtpWebResponse)myFtpWebRequest.GetResponse();
response.Close();
return true;
catch (Exception ex)
WriteLog("Error on CreateDirectory : " + ex.Message.ToString());
return false;
Could you please any help me to resolve this exception?
Thanks,
Sathiya Jeba C

Remote Server returned '550 5.1.1 RESOLVER.ADR.ExRecipNotFound; not found'

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