✎ [V8] ISSUE: Cannot connect to Office 365 on the backup set, reason = "Failed to login to Office 365, reason = [ServiceException] Message = Forbidden, response code = 403" [Ahsay Wiki]

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===== [V8] ISSUE:  Cannot connect to Office 365 on the backup set, reason = "Failed to login to Office 365, reason = [ServiceException] Message = Forbidden, response code = 403"  =====

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 <b>
  Article ID:
 </b>
 8077
 <br/>
 <b>
  Reviewed:
 </b>
 2020-04-20
 <br/>
 <br/>
 <b>
  Product Version:
 </b>
 <br/>
 AhsayCBS / AhsayOBM / AhsayACB: 8.1.0.0 to 8.x
 <br/>
 OS: All platforms
</html>


===== Problem Description =====
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When creating an Office 365 backup set on the AhsayCBS web console, AhsayOBM / ACB user interface, the following warning message is displayed:
<br>
<br>
	  	  
Cannot connect to Office 365 on the backup set, reason = "Failed to login to Office 365, reason = [ServiceException] Message = Forbidden, response code = 403"
<br>
<br>
   
Example: Warning on AhsayCBS web console when creating a Run On Server (Agentless) backup set<br> 
<br>
<img style="width:50%" src="http://wiki.ahsay.com/lib/exe/fetch.php?media=:public:8077_ews403_error.png"/>

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===== Cause =====
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This issue can occurs when the IP address of the AhsayCBS server, AhsayOBM / ACB client computer where the Office 365 backup set was being created has not been added to the "IP Allowed List" under the "Connection Filter" in the Microsoft Office 365.
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===== Resolution =====
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To resolve this issue, add the IP address of the AhsayCBS server, AhsayOBM / ACB computer (where the backup set was being created) to the "IP Allowed List".
<ol>
<li>
   <font color=black>Login to office 365, click on Admin icon to access to Microsoft 365 admin center.
   <br>
   <br>
   <img style="width:55%" src="http://wiki.ahsay.com/lib/exe/fetch.php?media=public:8077_O365-01.png"></font>
</li>
<br>

<li>
   <font color=black>Click on Exchange to access the Exchange admin center
   <br>
   <br>
   <img style="width:55%" src="http://wiki.ahsay.com/lib/exe/fetch.php?media=public:8077_O365-02.png"></font>
</li>
<br>

<li>
   <font color=black>Click on connection filter
   <br>
   <br>
   <img style="width:55%" src="http://wiki.ahsay.com/lib/exe/fetch.php?media=public:8077_O365-03.png">
</font>
</li>
<br>

<li>
   <font color=black>Click on the pencil icon to edit the default connection filter policy
   <br>
   <br>
   <img style="width:55%" src="http://wiki.ahsay.com/lib/exe/fetch.php?media=public:8077_O365-04.png">
   </font>
</li>
<br>


<li>
   <font color=black>Under the IP Allow list, click the + sign to add your IP address and click [Save]
   <br>
   <br>
   <img style="width:55%" src="http://wiki.ahsay.com/lib/exe/fetch.php?media=public:8077_O365-05.png">
</font>
</li>
</ol>


Refer to the following Microsoft Document for more details:
<br>
<a href="https://docs.microsoft.com/en-us/microsoft-365/security/office-365-security/configure-the-connection-filter-policy?view=o365-worldwide">https://docs.microsoft.com/en-us/microsoft-365/security/office-365-security/configure-the-connection-filter-policy?view=o365-worldwide</a>
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===== Keywords =====
response, 403, connection filter, allow, ip, addr, address, whitelist, forbidden
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