Is ISA required for exchange deployment?

I just read the iphone exchange/enterprise pdfs on apple website and the documentation said that ISA is required for exchange activesync to work. Is this true? Why? What if my company uses another firewall technology? Anyone have any success without ISA?

Easy...port 80 and port 443. If you force SSL only, then you only need port 443. Open that port up on the firewall.
Otherwise, you can do port 80 to the OWA server via firewall rule. Although data is sent unencrypted.
You need a valid SSL cert from one of the major players for SSL to work correctly. People with self-signed internal SSL don't work often.
ActiveSync is just a Virtual Directory on the Windows Exchange Server under IIS and your Activesync on the phone knows which one it is to navigate to for mail sync and authentication.

Similar Messages

  • ISA replacement for Exchange services?

    Hi,
    Talked to a customer today that still uses ISA server for publishing OWA and ActiveSync for their Exchange 2010 environment.
    Is Web Application Proxy within Windows Server 2012 R2 a good replacement?
    Not that familiar with the ISA/TMG but is it using pre-auth meaning that the requests from the browser or mobile devices does not hit the Exchange CAS directly but instead is opened on the reverse proxy and then a new connection is made to the CAS?
    What are the pros and cons? 
    Do one need any other services for OWA/HTTPS and ActiveSync/HTTPS to work? AD FS a requirement?
    Multi-factor authentication is not a requirement.

    ISA/TMG can use pre-auth, but doesn't need to - it's going to depend on how the proxy is configured.  The con to these is that they are no longer being developed (and I believe they are also out of support).
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    said, WAP will support Exchange connections and can replace an ISA server.  Here's a web page with more information on it: 
    https://technet.microsoft.com/en-us/library/dn765473.aspx?f=255&MSPPError=-2147217396
    As for what services you need, that depends on your organization - if you don't support other services, you don't need to deploy them.

  • Is Reverse Proxy required for Hybrid deployment

    Hi everyone,
    We plan to deploy a new infrastructure on prem attached to O365.
    The aim of this deployment is to create lync meeting on the on prem FE server which will be accessible by O365 Lync users. (FI: these meetings will be created on prem because the customer wants to cascade Lync conference with his Polycom video conferencing
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    Some users are homed on-premises and some users are homed online, but the all users share the same SIP domain. Is Reverse Proxy on prem will be required for O365 users to join meetings created on the on-premise FE or the O365 architecture
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    The only functionality needed is meeting (not mobility). I saw this (https://social.technet.microsoft.com/Forums/en-US/cf4f63f9-355f-475b-8148-608633adfe86/is-reverse-proxy-necessary-for-lync-hybrid-deployment?forum=lyncdeploy) but the functionality asked
    are different.
    Many thanks for your help.
    Thomas

    You'll need a reverse proxy on premises to publish the external web services FQDN of your on-premises front end pool.  Meet will use this behind the scenes regardless of where it's pointing.  If you're hybrid, the DNS URLs should typically point
    to your on-premises deployment however anyway:
    https://technet.microsoft.com/en-us/library/jj205403%28v=ocs.15%29.aspx?f=255&MSPPError=-2147217396
    Please remember, if you see a post that helped you please click "Vote As Helpful" and if it answered your question please click "Mark As Answer".
    SWC Unified Communications
    This forum post is based upon my personal experience and does not necessarily reflect the opinion or view of Microsoft, its employees, or other MVPs.

  • Is periodic maintenance required for app deployed on OAS on Windows?

    Hi,
    We have an application that uses 7 BPEL processes and one web service deployed on OAS. Application is into production from the last 4 months.
    We are bringing down the App server once in a while due to applying break fixes, etc.
    But, now, considering the App is quite stable, we won't be planning to bring down the app server for few months. My question is, do we need to schedule planned downtime and restart the application server once in a while in view of memory leaks etc as the App is deployed on Windows Operating System?
    It would be a great if I get some info/links that will give me the exact information.
    Thanks,
    Sasi Bhushan.

    Hi Chris,
    Thanks for the reply.
    Yes. Infact we have taken care of log files. But wondering if memory leaks etc could cause total memory consumption and making the app server hung etc.
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  • Enterprise Data Plan required for Exchange Active Sync?

    From:
    http://www.wireless.att.com/cell-phone-service/specials/iphone-info.jsp
    "What is the Enterprise Data plan?
    Customers interested in using iPhone to access corporate email, business applications or corporate intranet will activate with an Enterprise Data Plan for iPhone."
    So, if I have a normal $30 data plan will I be able to connect to my companies Exchange server with email/contacts/calendar push? Is there really a way AT&T could prevent me from using the Exchange Active Sync on the iPhone 3G without the Enterprise data plan?
    I'm just a regular guy who works at a small company and would like my personal cell phone - used 99% of the time for personal needs - to be able to access my work email/calendar/contacts.
    Message was edited by: engstrom

    Ok, so I went by the AT&T store this afternoon to pre-approve my credit in order to save time on the 11th. Well, turns out it won't help, because they told me they are going to have to run a special iPhone credit check the day you buy it anyway, so it is pointless to get pre-approved (great job AT&T).
    But, back to the subject at hand, they gave me this piece of paper with all this info on getting ready for the iPhone. Under the iPhone for business heading, it reads:
    "It's easy to set up your iPhone for business use on company intranet sites, corporate email or other business applications. SIMPLY SELECT ANY BUSINESS VOICE RATE PLAN and add a $45 Enterprise Data plan for iPhone..."
    To me, this would mean that you would have to start with a base business plan, then add the iPhone Enterprise data. Well, if you are an individual opening a personal account, can you even sign up for a business plan? If this is the case, then their own literature prevents you from even getting the Enterprise plan if you wanted to. It seems to me that the would be proof that you don't HAVE to have the Enterprise plan to use ActiveSync, Exchange, etc.

  • Best Practice - Hardware requirements for exchange test environment

    Hi Experts,
    I'm new to exchange and I want to have a test environment for learning, testing ,batches and updates.
    In our environment we have co-existence 2010 and 2013 and I need to have a close scenario on my test environment.
    I was thinking of having an isolated (not domain joined) high end workstation laptop with (quad core i7, 32GB RAM, 1T SSD) to implement the environment on it, but the management refused and replied "do it on one of the free servers within the live production
    environment at the Data Center"... !
    I'm afraid of doing so not to corrupt the production environment with any mistake by my configuration "I'm not that exchange expert who could revert back if something wrong happened".
    Is there a documented Microsoft recommendation on how to do it and where to do so to be able to send it to them ??
    OR/ Could someone help with the best practice on where to have my test environment and how to set it up??
    Many Thanks
    Mohamed Ibrahim

    I think this may be useful:
    It's their official test lab set up guide.
    http://social.technet.microsoft.com/wiki/contents/articles/15392.test-lab-guide-install-exchange-server-2013.aspx
    Also, your spec should be fine as long as you run the VMs within their means.

  • Certificate configuring for exchange 2013 and office 365 hybrid deployment

    Please advise on what digital certificate requirements for hybrid deployment and to configure it.

    Hi sphilip,
    If you want to deploy AD FS with Single Sign-On(SSO), we need use certificate to establish secure trust between on-premises Exchange 2013 and Office online.
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  • How many large install licenses required for a 5.x deployment?

    I have been trying to determine the correct license requirement for a 5.x install. There will be 1 primary server and six secondary servers. It is very clear that I need the base license for each ACS instance, but the documentation notes that for greater than 500 devices (IPs) that a large install license is needed for each ACS deployment. Does this mean that each ACS appliance instance will require a unique Large Install license or I only need one license (presumably installed on primary) and that will cover the IP requirements for all my secondaries?

    On a single license is required for a deployment.
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  • Office 365 version for Exchange online archive

    hi,
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    my question is, what version of Office 365 (for business) do i need to be able to use the online archive in my outlook desktop version?
    best regards
    thomas

    Outlook in Office 365 ProPlus，
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    https://support.office.microsoft.com/en-us/article/Outlook-license-requirements-for-Exchange-features-46b6b7c5-c3ca-43e5-8424-1e2807917c99?CorrelationId=25f2a475-9f26-4920-b8b3-11e2f9fa9592&ui=en-US&rs=en-001&ad=US

  • Cisco ACS questions for new deployment

    Hi all, I am designing a new Cisco ACS deployment to handle AAA services for all our network devices. I have read the user guides and I understand the different deployment scenario's. However, what i could not find in the user guide, were answers to the questions below...
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    Does a Large Add-On license (for more than 500 nodes) need to be purchased for every ACS server, or does one license cover the whole deployment?
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    Is required for all appliances.
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    Evaluation—Expires 90 days from the time the license is issued. Supports deployments that have a maximum of 50 NADs.

  • Preparing Lab for Exchange hybrid deployment

    Dear All,
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    Note :
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    Regards
    kamparth

    Follow the Exchange server deployment assistant(reference is mentioned above) that is available from Microsoft team and would be an appropriate approach for you.
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    http://www.msexchange.org/articles-tutorials/office-365/exchange-online/configuring-exchange-2013-hybrid-deployment-migrating-office-365-exchange-online-part1.html
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  • Hardware requirement for running exchange 2010 on vmware workstation

    Dear Team,I need to create a exchange 2010 sp2 on a guest os on vmware workstation.kindly help me out with the physical hardware requirements for a home user

    Hey Mukund26,
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    3) I think the i5 processor will be just fine for this lab.  Usually in a lab setting CPU performance isn't the most important thing so similar to above as long as you can be a little patient I think that CPU will suit you just fine.
    As I said figure out what you want to get out of the lab and then you can determine how many VMs you need and whether or not you want to upgrade hardware.  If you're looking to learn about Exchange 2010 in general I would suggest using multirole servers, getting rid of one of the DCs, and not worrying about virtualizing ESX/vCenter so that you can learn.  If you're looking to learn about virtualizing Exchange 2010 on vSphere then let's figure out exactly what you want to get out of it and figure out what you can learn using VMware Workstation and what you really need vSphere for.
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    Matt
    http://www.thelowercasew.com

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  • Exchange 2010 SP3 RU7 system requirements for server 2008

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    Hi,
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