And once more ill be looking into an aspect of it, that i dont believe ive covered in detail before. Feb 05, 2014 we have 1 2007 exchange server publishing activesync and a tmg device. Sync is attempted while the mailbox is being moved. What is a 401 unauthorized error and how do you fix it. If exchange server returns a 401, add ntlm and negotiate as providers to. If windows auth or some other kinds of auth is enabled, then the 401 2. The client makes a request to either a load balancing lb or a content switching cs vir. Activesync 401 error and exchange authentication methods. Impersonation for microsoft exchange 20 activesyncbased clients with citrix netscaler. In the iis logs on exchange cas server following errors are found. If you want to get the most of your iis log files, you will want to aggregate them within a log management service. What does scstatus 200 and scwin32status 64 mean, and. I was surprised this article is a reference to windows server 2003 service pack 1 but it certainly applies and works with windows.
This may be the result of invalid credentials or a configuration problem on the exchange server. Windows integrated authentication is enabled on the exchange virtual directory on the exchange server, but kerberos is disabled via the iis metabase. May 14, 2017 the column headings are defined in the comments. Find answers to exchange 2016 activesync problem from the expert community at experts exchange. Activesyncreport script download the exchange support team relatively frequently receives cases where mobile devices using exchange activesync eas protocol send too many requests to exchange server resulting in a situation where server runs out of resources, effectively causing a denial of servic. My device constantly ask for a password and does not connect. Open windows explorer and browse to the sync folder c. Since iis did not get any ack message, it logs a scwin32 status code of 64. In the microsoftserveractivesync virtual directory, access the configuration. Mass setting replication partners with public fold. Both request flows below will demonstrate this with a browser, and show that it is normal. Additional details the following authentication methods are enabled, but they arent allowed authentication methods for.
The request has not been applied because it lacks valid authentication credentials for the target resource. I discovered that the task table contains a record for the active sync process while it is running, and that it is updated each time the. By the way, if you need help finding your iis log files, be sure to check out our guide dedicated to that topic. How to interpret and analyze iis log files with log management. Oct 03, 20 repeated login dialogs ending with a 401 when using basic authentication in iis. Autodiscover redirection, exchange 2016, windows 10. In the first case we have the values as 200 0 where in the status code is 200 and the sub status code is 0. Therfore, just by a look at the log we can determine that the request was served properly by iis. I rely a lot on these days, its a great source for exchange troubleshooting and other.
Depending on how long it waits for the client, the timetaken log entry may be large. Its a fairly straight forward procedure and has been around for some time as discussed here. In the snapshot for command 1, nokia e63 is the lockout source with sc win32 status code as 26, which points out that the device is trying to authenticate using wrong credentials and the count field shows that device tried to authenticate 27 times, user has to update the password on the device or reconfigure the active sync account. This is used when the resource is restricted to certain authenticated users. The largest windows server focused newsletter worldwide. Exchange 2016 activesync problem solutions experts exchange. Exchange 2010 testing the options command failed activesync. The vast majority of clients do not send credentials on their first request, in other words, they send anonymous requests initially. In that 401 response, the server includes additional headers wwwauthenticate indicating the methods the server accepts. The web application is configured to use integrated windows authentication. Exchange 2010 active synch error 401 1 26 solutions.
Try to login again using the username, mylocaluser, only and you should get the 401. What does sc status 200 and sc win32 status 64 mean, and why is timetaken large. Hello, we have an exchange server 2010 and now i have installed an exchange server 2016. Occurs in exchange activesync if there either is a more efficient server to. These tools can help you view and query them in real time, across all of your servers. It also breaks down the csuriquery element so that you can filter you results furthe.
After iis has sent the final response to the client, typically it waits for an ack message from the client. Has anyone found a solution to this activesync problem yet. I know this is normal for windows authentication, but it seems like the authentication should be cached. Digging into the exchange activesync protocol activesync is hardly a new topic on this blog. Outlook anywhere keeps prompting for password may april 11 march 17. Jul 09, 2010 if you are analysing the iis log file by default the sc status and sc substatus not recorded in the log files, you need enable at advance log by fields level to record. A script to troubleshoot issues with exchange activesync. Troubleshooting exchange activesync and reading iis logs in this article i will try cover my way of troubleshooting exchange activesync issues from server side and client side. Besides synchronizing your emails, exchange activesync will also let. The status means that wither there has been no authentication, or that authentication has failed. This means that the actual status code that is returned depends on how the server software handles a particular errorthis guide should generally point you in the right direction. However, the windows authentication feature is not turned on. After patching exchange cas server users prompted to enter.
Log files are created when the first request arrives on the url group or server session, they are not created when logging is configured. If you see sc status 200, scwin32 status 64 and a large timetaken value, it does not automatically mean you need to do anything. Status codes are issued by a server in response to a clients request made to the server. Find exchange activesync devices via activedirectory powershell october 7, 2019 powershell scriptlets to check if nla is enabled for remote desktop september 11, 2019 archives. Configuring windows 10 mail app using exchange activesync. March 2019 the johns hopkins enterprise messaging group blog. Recently installed exchange 2016 in an environment with many email domains so as usual we redirect the autodiscover services. Microsoft activesync works only with windows xp sp2 or earlier. Hi krisz, for this 401 issue, perhaps they are possible causes below.
The server generating a 401 response must send a wwwauthenticate header field 1 containing at least one challenge applicable to the target resource. I also tried setting up sync on a workstation directly coupled to the network on which the exchange server lives and the mobile does not want to connect via active sync. We tried to monitor the log file but the delay in the server buffering and committing to the log file made this far too unreliable. Active sync with client access server and exchange. All works fine so far except activesync does not work for the test mailbox on the 2016 box. You do not have permission to view this directory or page using the credentials that you supplied. After an exchange account has been updated overtheair by the activesync configuration service provider, the device must be powered off and then powered back on to see sync status. Exchange 2016 activesync device query for log parser studio this is a new log parser studio query to filter iis logs for exchange activesync traffic for a specific device.
Lots of 401 status codes in iis logs using windows authentication. One common reason for this is that by mistake or intentionally the basic authentication has the. When possible, windows will automatically free up space if there isnt enough free already, and will guide you through freeing up even more if the automatic clean up is not. Activesync error code 85010014 microsoft community. The same is true when i use a normal s server publication on the firewall. The worst outcome of such a situation is that the server also becomes.
I found a good article here which gave a good scenario description for scwin32 status 64 and sc status 200 with high time. Enable client side authentication formbased401basic. Review the sc status column and locate any request where there is a value other than 200. New device enrollment and existing users reactivation also fails. This log means that on the date shown, a post command was issued to the server with ip 172. Test steps attempting to send the options command to the server. I have tried with different users, checked inherited rights on the users, reset virtual directory and compares vdir settings with another ex2010 that is working. Enable windows authentication on the caseas vmware docs. Hi i dont know if this helps you but we monitor active sync using the whats up monitoring application with a db query. After installing service pack 3 on all the cas servers all the existing blackberry users are prompted to enter microsoft active sync account credentials. Now, it is much easier to use one of the logging modules that come with iis. Try to login again using the machine name or the domain the user belongs to like so, \ mylocaluser, and you should get in.
A script to troubleshoot issues with exchange activesync microsoft. Mar 17, 2020 log parser studio is a utility that allows you to search through and create reports from your iis, event, exadb and others types of logs. Aug 08, 2014 in the snapshot for command 1, nokia e63 is the lockout source with sc win32 status code as 26, which points out that the device is trying to authenticate using wrong credentials and the count field shows that device tried to authenticate 27 times, user has to update the password on the device or reconfigure the active sync account. The essential virtualization resource site for administrators. Recently i had an issue where users on one of the exchange 2007 servers only werent able to sync their mobile device. The first digit of the status code specifies one of five standard classes of. Regards, morris, morris fury but what is the output of.
In the above example i have highlighted the status code and the sub status code. Apr 04, 20 errors were encountered while testing the exchange activesync session. If windows auth or some other kinds of auth is enabled, then the 401 2 5 is the server denying access to the anonymous request. Last week we deployed a new microsoft exchange 2010 server on a windows 2008 r2 domain controller we know.
In the snapshot for command 1, nokia e63 is the lockout source with scwin32 status code as 26, which points out that the device is trying to authenticate using wrong credentials and the count field shows that device tried to authenticate 27 times, user has to update the password on the device or reconfigure the active sync account. Activesync provides a great synchronization experience with windowspowered pcs and microsoft outlook right out of the box. Sep 21, 2016 401 active directory activesync ad applicationpool auditing autodiscover batch bestpractice centos certificate compliance cumulative update decommissioning dell dns exchange exchange 2016 failure file management tasks s hyperv idrac igiveup iis imcea imceaex internet explorer links linux local repository log files logparser logparser. The combination of sc status also known as status code 200 and sc win32 status 64, together with a very large timetake, may happen in the following scenarios. Activesync csp windows client management microsoft docs. If you are analysing the iis log file by default the sc status and scsubstatus not recorded in the log files, you need enable at advance log by fields level to record. The adc supports auditing of all states and status information, so you can. Simple, efficient, and productive in the field, terrasync software is the clear choice for collecting and maintaining high quality gis data. Apr 26, 2017 after installing service pack 3 on all the cas servers all the existing blackberry users are prompted to enter microsoft active sync account credentials.
For example, a user will get a 401 when accessing a the home page default. Troubleshooting exchange activesync and reading iis logs. Exchange 2016 autodiscover failure 401 unauthorized. Configuring windows 10 mail app using exchange activesync recommended this guide shows how to set up an email account hosted by surftown, in the windows 10 mail app, using exchange activesync. In this article, we are going to take a look at how to interpret iis log files. Office exchange 2016 activesync device query for log. Backingoffmailboxserver and the firmware version of the iphone is iphone4c1. It states my password is wrong when i know it is right. This is because we are now logging in as fakedomain \ mylocaluser.
Besides synchronizing your emails, exchange activesync will also let you synchronize calendars, tasks and contacts. Exchange autodiscover 401 unauthorized extern gebruik. Read event logs and filter msexchange activesync event in 10xx. Lots of 401 status codes in iis logs using windows. Errors were encountered while testing the exchange activesync session. This is only available if you have enabled this tag in iis logging. Repeated login dialogs ending with a 401 when using basic. According to the standard, a response with this code is supposed to include a means of authenticating. I can sendreceive etc, but i cannot access it via my smartphone. The following example shows the first log file entry for a w3c log file with the client ip, username, server ip, server port, method, uri stem, uri query, status. Kerberos multidomain authentication for activesync citrix.