Microsoft IIS Web Server

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Solutions

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IIS is Internet Information Services, the web server included with Windows Server operating systems. All current versions are built on a modular architecture; modules can be added or removed individually so that those required for specific functionality are installed. The full installation of IIS includes HTTP, security, content, compression, caching, logging and diagnostics.

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Failed to install web server service IIS windows authentication & ASP due to error "Attempt to install ASP failed  with error code 0x8007007E. The specified module could not be found &  "Attempt to install windows authentication failed  with error code 0x8007007E. The specified module could not be found
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Hi All,

Can anyone here please assist me in troubleshooting as to why my Outlook Web Access is randomly signing me off while reading or typing email ?

I also cannot access the below OWA option with HTTP ERROR 500:
Change OWA Account settings: https://owa.domain.com/ecp/?rfr=owa&owaparam=modurl%3D0&p=account
Change AD Password: https://owa.domain.com/ecp/?rfr=owa&owaparam=modurl%3D0&p=PersonalSettings/Password.aspx
Enable OWA Add On: https://owa.domain.com/ecp/?rfr=owa&owaparam=modurl%3D0&p=installed

However, when I manually type in the Public IP address or the server name instead of owa.domain.com, I can access the server with no problem.

This is my current deployment of the Exchange Server 2013 Standard Edition in my domain:

AD Site: Default-First-Site-Name
PRODMAIL14.domain.com [old CAS & MBX server]
PRODMAIL20-VM.domain.com [new CAS & MBX server]

AD Site: Head_Office
PRODMAIL42-VM.domain.com [CAS & MBX server]
PRODMAIL30-VM.domain.com [MBX server]

I have just created multiple A Record for OWA.domain.com and Autodiscover.domain.com pointing to my existing 3x CAS-MBX Exchange 2013 server roles.

Public DNS (A) records Round Robin:
OWA.domain.com – Public IP address of PRODMAIL14, PRODMAIL20-VM and PRODMAIL42-VM
Autodiscover.domain.com – Public IP address of PRODMAIL14, PRODMAIL20-VM and PRODMAIL42-VM

Internal DNS (A) records Round Robin:
OWA.domain.com – Public IP address of PRODMAIL14, PRODMAIL20-VM and PRODMAIL42-VM
Autodiscover
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Hi All,

After installing new CAS role and then configuring the Virtual Directories to use single name space owa.domain.com, I cannot access OWA on my new Exchange Server 2013 Standard edition ?

Error: owa.domain.com is currently unable to handle this request. HTTP ERROR 500

Why is this happening ?
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Hi All,

I noticed that from my Outlook 2016 connection status, I am using RPC, is this the old slow and insecure protocols ?
Connection Status
I've found the steps below:
Set-MapiVirtualDirectory -Identity "PRODMAIL20-VM\mapi (Default Web Site)" –InternalURL https://owa.domain.com/mapi -ExternalUrl https://owa.domain.com/mapi -IISAuthenticationMethods Negotiate
Set-MapiVirtualDirectory -Identity "PRODMAIL30-VM\mapi (Default Web Site)" -InternalURL https://owa.domain.com/mapi -ExternalUrl https://owa.domain.com/mapi -IISAuthenticationMethods Negotiate
Set-OrganizationConfig -MapiHttpEnabled $true
Get-OrganizationConfig | fl *mapi*

Open in new window


Note: I have wildcard *.domain.com SSL certificate installed on the both CAS servers above.

So I wonder if anyone here knows what's the impact in executing the steps above during the business hours ?

Any help would be greatly appreciated.

Thanks,
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Dear community,
We have Problems with active sync in Exchange 2016 CU5.
After a Migration from Exchange 2010 to Exchange 2016 CU5 the following error occours when we connect with active sync:

OWA is working!

exchange analyzer
Event code: 3008
Event message: A configuration error has occurred.
Event time: 07.07.2017 08:10:45
Event time (UTC): 07.07.2017 06:10:45
Event ID: d049c0dd0f3b4cc4986b58ec61b74869
Event sequence: 1
Event occurrence: 1
Event detail code: 0
 
Application information:
    Application domain: /LM/W3SVC/2/ROOT/Microsoft-Server-ActiveSync-4285-131438814449264551
    Trust level: Full
    Application Virtual Path: /Microsoft-Server-ActiveSync
    Application Path: C:\Program Files\Microsoft\Exchange Server\V15\ClientAccess\sync\
    Machine name: XXX
 
Process information:
    Process ID: 18536
    Process name: w3wp.exe
    Account name: IIS APPPOOL\DefaultAppPool
 
Exception information:
    Exception type: ConfigurationErrorsException
    Exception message: Could not load file or assembly 'Microsoft.Exchange.Security, Version=15.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35' or one of its dependencies. The system cannot find the file specified. (C:\Program Files\Microsoft\Exchange Server\V15\ClientAccess\sync\web.config line 251)
   at System.Web.Configuration.CompilationSection.LoadAssemblyHelper(String assemblyName, Boolean starDirective)
   at …
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I have one domain e.g. Www.abc.com and I want to host 4 different locations in order to gain faster bandwidth for the end users. How can I do that? Or let me know if azure has something I can use.

Thanks
0
im using windows server 2012 and iis 6.2
i have it configured to point at a smtp exchange server
the portal on iis sends out emails
this seems to work for a day or 2 then the emails stop going out
if i do a iisreset that will fix for another few days
then it fails again
i know i could schedule an iis reset but i would like to know why this is happening
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We are using Oracle's Primavera Contract Manager that requires a SMTP server to send email but allows for no options to use anything that requires a username or password. So in order to make it work we have the IIS SMTP service setup that requires no authentication and anonymous access. This is a problem as it appears some outside source is using it to send bogus/spam emails. Any ideas if there are options to secure the smtp server service on the Windows 2012 server so it's not anonymous access to send? or possible some sort of free online smtp server? The ISP is Comcast which requires a username and password for smtp services so that will not work. Any thoughts? Or addiotional questions please feel free to ask and thank you in advance for your help.
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Hi all,

Having being doing some extensive work around our public facing webservers we are now getting down to less known issues. Most of the work we have being doing was around Certificates and encrption. Following another recent scan we are still getting the saem result come up for most servers:

  • Strict-Transport-Security      
  • Content-Security-Policy      
  • Public-Key-Pins      
  • X-Frame-Options
  • X-XSS-Protection      
  • X-Content-Type-Options      
  • Referrer-Policy      

I have read a bit about them but its a bit over my head not having a web background. To mitigate these problems can someone tell me are these weaknesses linked to IIS or encryption. Knowing that would be a good start.
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Hi,

Apologies if this is a simple one but I'm an Apache guy and need to amend a instance of IIS Server 2012 to be able to serve content located on the d:\ drive of the server using a path of /supplementary

Can anyone please advise how I accomplish this is IIS as in Apache I'd simply use
Alias /supplimentary "D:/infrastructure_data/supplimentary"

Open in new window

0
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Hi All,

Can anyone here please sanity check the below Powershell script if it makes sense or I missed out something that I should be configured ?

#OWA
Set-OWAVirtualDirectory –Identity "PRODMBX20-VM\owa (Default Web Site)" -ExternalURL "https://owa.domain.com/owa" 
Set-OWAVirtualDirectory –Identity "PRODMBX20-VM\owa (Default Web Site)" -InternalURL "https://owa.domain.com/owa"

#OAB
Set-OABVirtualDirectory –Identity "PRODMBX20-VM\OAB (Default Web Site)" -ExternalURL "https://owa.domain.com/OAB" 
Set-OABVirtualDirectory –Identity "PRODMBX20-VM\OAB (Default Web Site)" -InternalURL "https://owa.domain.com/OAB"

#ECP
Set-ECPVirtualDirectory –Identity "PRODMBX20-VM\ecp (Default Web Site)" -ExternalURL "https://owa.domain.com/ecp" 
Set-ECPVirtualDirectory –Identity "PRODMBX20-VM\ecp (Default Web Site)" -InternalURL "https://owa.domain.com/ecp"

#EWS
Set-WebServicesVirtualDirectory –Identity "PRODMBX20-VM\EWS (Default Web Site)" -ExternalUrl "https://owa.domain.com/EWS/Exchange.asmx"
Set-WebServicesVirtualDirectory –Identity "PRODMBX20-VM\EWS (Default Web Site)" -InternalUrl "https://owa.domain.com/EWS/Exchange.asmx"

#ActiveSync
Set-ActiveSyncVirtualDirectory –Identity "PRODMBX20-VM\Microsoft-Server-ActiveSync (Default Web Site)" -ExternalURL "https://owa.domain.com/Microsoft-Server-ActiveSync"
Set-ActiveSyncVirtualDirectory –Identity "PRODMBX20-VM\Microsoft-Server-ActiveSync (Default Web Site)" -InternalURL "https://owa.domain.com/Microsoft-Server-ActiveSync"

#MAPI

Open in new window

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I had this question after viewing Enabling CAS role on current mailbox server ?.

Hi All,

When I run the command get-clientaccessserver | fl to check the URI for all of my CASserver, the result is:

AD Site: Default-First-Site-Name
Server name: PRODMAIL08-VM
AutoDiscoverServiceInternalUri: https://PRODMAIL08-VM.domain.com/Autodiscover/Autodiscover.xml

AD Site: Head_Office
Server name: PRODMAIL02-VM
AutoDiscoverServiceInternalUri: https://PRODMAIL02-VM.domain.com/Autodiscover/Autodiscover.xml

The SSL certificate that is used in both CAS servers are wildcard *.domain.com

so do I still need to execute the command below from my newly added server:

get-clientaccessserver | set-clientaccessserver -autodiscoverserviceinternaluri "https://autodiscover.domain.com/autodiscover/autodiscover.xml"

Open in new window


Thanks in advance,
0
Hi all,

Being doing some work around tightening security on internal and external communications with stronger certificates and removing weak ciphers. All though this fairly straight forward I had a problem yesterday that has raised questions mainly around my understanding.

We have a web server in the DMZ 2008 R2 IIS. It has an external signed certificate (SHA256). scanning the website shows a number of weaknesses around Ciphers that are part of TLS 1.0, 1.1 and 1,2.

We have to keep TLS 1.0 enabled because of application compatibility.

Is it possible to disable specific ciphers that are weak rather than disabling the tls protocol?
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We have a web site that has been working fine.

It is in .Net 3.5 or 4 (Can't access to see if it was upgraded)

In any case...
On a RadGrid
When clicking on a different page (From paging list on grid)

I get an eeror page in Chrome

This page isn’t working

Chrome detected unusual code on this page and blocked it to protect your personal information (for example, passwords, phone numbers, and credit cards).
Try visiting the site's homepage.
ERR_BLOCKED_BY_XSS_AUDITOR
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Hi,
   I have Windows server 2012 R2 server and my IIS version is 8.5, My website currently  was working on IIS7 on different server. But I want to run my website on IIS8.5(on new server) . I had setup website and when I tried to run I got error on web.config file. Even it's not allowing to set default document and giving error. Please go through attached file and help me for that.

Regards,
Sudhanshu
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Our website currently uses the following web.config file:

<configuration>

<system.webServer>
<rewrite>
  <rules>
        <rule name="wordpress" patternSyntax="Wildcard">
            <match url="*"/>
                <conditions>
                    <add input="{REQUEST_FILENAME}" matchType="IsFile" negate="true"/>
                    <add input="{REQUEST_FILENAME}" matchType="IsDirectory" negate="true"/>
                </conditions>
            <action type="Rewrite" url="index.php"/>
        </rule>
        <rule name="HTTP to HTTPS redirect" stopProcessing="true">
            <match url="(.*)"/>
                 <conditions>
                  <add input="{HTTPS}" pattern="off" ignoreCase="true"/>
                 </conditions>
            <action type="Redirect" redirectType="Permanent" url="https://www.site.com/{R:1}"/>
        </rule>
  </rules>
</rewrite>
</system.webServer>

</configuration>

we have internal pages such as application, pricing, about-us, blog etc like:
https://www.site.com/application
https://www.site.com/pricing
https://www.site.com/blog

what I want is to set a 1 to 1 301 redirection of the pages without https in the URLs to the respective https version pages of the site.
For example: Set a 301 redirect for the page http://www.site.com/application to https://www.site.com/application

Right now it gets redirected from http://www.site.com/application to https://www.site.com
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I would like to setup redirection from a server that host a site to a different server that host a landing page in IIS.  

How do I setup a redirection in DNS and on the new site?

OLD URL: https://abc.domain.com
NEW URL: https://portal.domain.com/Test/Landing
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Hello Experts,

We are getting intermittent timeouts on some of our sites on a windows 2008 r2 box with iis 7.5, this started recently.

The sites are down for a while and then run again (Its limited to a small subset of sites on the box) The are all DNN sites but not all DNN sites are effected

The sites can be browsed locally on the local ip but not external, some have ssls installed

Any advise on how to troubleshoot this

stu
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Hello Experts - I am running an internal web based application called Deltek Vision on an instance of Server 2012 R2.  I would like to be able to make this available over the internet.  My firewall is a Fortigate 90D.  I took a peek at how the Exchange server was configured and tried to duplicate the logic for the Vision server since both are using http.  I created an Object for the Vision server using it's IP address, created two virtual IPs which is forwarding a spare public IP address on ports 80 (http) and 1433 (SQL), then duplicated the policy for Exchange to allow traffic to flow.  So far I'm getting no response which is where I'm stuck.  I'm not sure if I'm missing something on the routing side or if there is something else in IIS that needs to be done to allow access from the internet.

I'd appreciate any advice getting this working!
0
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Hi all,

We have a number of webservers that I have been renewing the web certificates after upgrading our root CA to SHA256. I have processed this through IIS by selecting the certificate and choosing the renew option. I then following the renew wizard that allows me to select the CA and then simply select renew. However one server doesn't want to play ball. The option to select the CA is greyed out.

Cant figure this one out, any ideas appreciated.
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Hello,

The vendor who does our security audit express concern about SSL certificate we are using on our websites.  They mention version 3 and TLS v1 are not secured.  

I check the version of the cert we purchase is SHA-2.  

I usually purchase the latest version cert and apply it to my IIS website.  Are there additional things I need to do?

Please advise.  

Thanks.
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Hi All,

I just renewed one of our web certificates and im now trying to export the certificate to add to another server in a cluster. But the export wizard wont allow me to export the cert private key a sits greyed out?

Any way I can get round this?
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Hi

I'm developing a web application to be used by thousands of users.

The development is done under Alpha anywhere that relies on IIS
My question is the following: what are the limitations of IIS in terms of "servicing" users ?
How many users can hit the server at the same time ?

What are the configuration possible if I have 15000 users ?
How do u calculate the need ?
Thx
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Greetings:

I recently performed a clean install of Windows 10 Pro on my desktop and included IIS version 10.

I'm looking for the steps to allow other computers on my network to view pages on my local website and client websites under development. I believe this is a security issue but I'm not sure.

Any assistance is most appreciated.


Much thanks,
David Bach
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Hi all, I've got a very old .asp web application that prints to pdf.  I developed this app 13 years ago, and we've now come to record number 10,000 and I need to expand the record number field in the pdf to accommodate for the extra digit.  I've managed to find the file 'requisition.pdf' and I can edit it, I've moved things, expanded the field, but I don't see my modifications reflected in the application, when the pdf is created inside the application.  I move things around but everything stays the same in the app.  What am I missing here?  It's been 13 years and I'm struggling to remember how I did this.  

Some code (reqnum is the field in question):

Dim UserID
UserID = rsReqs("UserID")
strsql2 = "SELECT * FROM [User] Where UserID = '" & UserID & "'"
            set rsUser = Server.CreateObject("ADODB.Recordset")
            rsUser.Open strsql2, connDB, 1, 2
Dim User
User = rsUser("FN") & " " & rsUser("LN")
Set FdfAcX = Server.CreateObject("FdfApp.FdfApp")
Set outputFDF = FdfAcX.FDFCreate      
outputFDF.FDFSetValue "ReqNum", rsReqs("ReqNum"), False
outputFDF.FDFSetValue "UID", User, False       
outputFDF.FDFSetValue "DateEntered", rsReqs("DateEntered"), False       
outputFDF.FDFSetValue "DueDate", rsReqs("DueDate"), False
If rsReqs("Vendor2") = "" Then
outputFDF.FDFSetValue "Vendor", rsReqs("Vendor1"), False
Else
outputFDF.FDFSetValue "Vendor", rsReqs("Vendor2"), False
End If

(a lot more code in here)....

If rsReqs("qty19") > "0" then
outputFDF.FDFSetValue "qty19", …
0

Microsoft IIS Web Server

35K

Solutions

29K

Contributors

IIS is Internet Information Services, the web server included with Windows Server operating systems. All current versions are built on a modular architecture; modules can be added or removed individually so that those required for specific functionality are installed. The full installation of IIS includes HTTP, security, content, compression, caching, logging and diagnostics.