April 22, 2017
If your Skype Application ‘s Business Online format is outdated then it won’t accept the Skype Certificate properly. This will generate a validation issue situation which eventually leads up to the certificate error. Apart from these two, this error can also appear due to internet setting and caches. Its time to replace your Skype for Business certificates on your Front End Pools because they are expiring or you have encountered new requirements for your certificates. You make your request and get a new certificate back and believe it has been installed correctly. There Was A Problem Verifying The Certificate From The Server Skype For Business 2016 Mac Rufus 2.9 For Mac About Outlook For Mac Cannot Verify My Credentials In Office 365 Idl 8.5.1 Free Download For Mac Jabber Download Mac Hard Drive Format Software For Mac Pdf Pro Mac Torrent Outlook For Mac Repair Profile.
When you have a uniform environment of it’s a new fresh infrastructure, it’s always great to be the part of implementation team. But is we need to implement same thing on existing environment, sometime it might be your worst nightmare. Here I am sharing same experience of mine with SFB 2015. Even though every configuration was good on my side, I was getting an issue of ‘There was a Problem Verifying the certificate from the server for SFB 2015’ while sharing PowerPoint Presentation. Let me share my experience how did I solve this problem.
Issue:
This script is tested on these platforms by the author. It is likely to work on other platforms as well. If you try it and find that it works on another platform, please add a note to the script discussion to let others know.
On my non-domain computer, whenever I tried to share a PowerPoint presentation using SFB 2015. It shows the issue “There was a problem verifying the certificate from the server. Please contact your support team.”
Resolution:
First of all, you need to make sure you do have installed and configured Office Online Server (OOS) on your environment. Because unlike, Lync 2010 both on Lync 2013 and SFB 2015 you need to have separate server for the feature of Presenting PowerPoint on Lync 2013 and SFB 2015. Second, check if this is running fine for the domain computers or not??? If not the issue might be with your server so need to validate it as below process.
Open Browser on your client computer on which you are having issue and try to open this link ‘https://<FQDN of OOS>/hosting/discovery/’ if there is no certificate issue on this page. Something else is wrong but if it showing error in certificate than you need to fix
your certificate first before proceeding ahead. Same for any non-domain machine, if you are facing such type of issue you first need to check if the certificate to the Office Online Server (OOS) is correctly installed in your machine or not. Or you need to make sure you do have correct certificate. To validate it, you can do it as of above methods.
You might see something like this.
![Problem Problem](/uploads/1/1/9/7/119745840/254134160.png)
Skype For Business Mac Error There Was A Problem Verifying The Certificate From The Server
So, if everything is right for the non-domain machine, it might be due some issue of Internet explorer Certificate revocation issue. When tried to uncheck it as on this snap… wow it worked. So, for non-domain machine I made the conclusion that ‘Check for server certificate revocation*’ is the issue. As in my environment there are no much non-domain machine. It is fine for me to do manually. but if you do have a lot of non-domain machine keep tuning I am coming back again with it.
I hope this was quick solution for non-domain computer…. But what if you do have same issue on domain computer… coming up soon with it ?
-->Problem
When an Office 365 user tries to sign in to Skype for Business Online (formerly Lync Online) by using Lync 2010 or Lync 2013, the user receives the following error message:
Additionally, when you try to sign in to Lync after a network outage or a Skype for Business Online service outage, you receive the following error message:
Cause
This issue may occur if one or more of the following conditions are true:
- The software is out of date.
- The Lync client is out of date.
- The Microsoft Online Services Sign-In Assistant is out of date.
- The certificates cannot be acquired or validated.
- The Skype for Business Online personal certificate or the cached credentials are corrupted or are out of date.
- Part of the certificate chain is untrusted and the certificate chain fails validation.
Solution
Resolution for Lync 2013
Delete the sign in information
During the sign in process, Lync 2013 caches your credentials and other information about its connection to Skype for Business Online. If you have trouble signing in to Skype for Business Online, click Delete my sign-in information and Lync 2013 will automatically remove any saved password, certificates, and connection settings for the user account.
Resolution for Lync 2010
- Update the Lync client to the latest version that's available on the Downloads page of the Office 365 portal.
- Update the Microsoft Online Services Sign-In Assistant to the latest version.
- Clear your cached certificates, credentials and connections.
Additional troubleshooting steps for Lync 2013 and Lync 2010
There Was A Problem Verifying The Certificate From The Server Skype For Business Mac Os
Note
Follow the steps in this section carefully. Serious problems might occur if you modify the registry incorrectly. Before you modify it, back up the registry for restoration in case problems occur.
If the steps earlier in this article don't resolve the issue, try the following methods, as appropriate for your situation:
- When Lync connects to a specific front-end server, it caches that endpoint to make the sign-in process faster in the future. However, sometimes the endpoint can be changed and can cause sign-in to fail. To delete the endpoint cache, follow these steps:
- Locate the local application data folder:
- Windows Vista, Windows 7 and Windows 8 (excluding Windows 8 RT):%LOCALAPPDATA%MicrosoftCommunicator<[email protected]>
- Windows XP:%USERPROFILE%Local SettingsApplication DataMicrosoftCommunicator<[email protected]>
- Delete the folder associated with your sign-in address.
- Restart Lync, and then try to sign in to Skype for Business Online.
- Locate the local application data folder:
- If you're using Lync 2010, delete the Skype for Business Online personal certificate and then download a new one. Be aware that when the user clicks Save Password in Lync 2010, this action also saves the certificate in Windows Certificate Manager.To delete a personal certificate, follow these steps:
- Delete the certificate in Windows Certificate Manager. To do this, follow these steps:
- Open Windows Certificate Manager. To do this, press Windows + R, type certmgr.msc, and then click OK.
- Expand Personal, and then expand Certificates.
- Sort by the Issued By column, and then look for a certificate that's issued by Communications Server.
- Verify that the certificate is present and that it isn't expired.
- Delete the certificate and try to sign in to Skype for Business Online. If you can't sign in to Skype for Business Online, go to step 2.
- If you're running Windows 7, remove the user's stored credentials in Windows Credential Manager. To do this, follow these steps:
- Open Control Panel, and then click Credential Manager.
- Locate the set of credentials that's used to connect to Skype for Business Online.
- Expand the set of credentials, and then select Remove from Vault.
- Try to sign in to Skype for Business Online again, and then type your new set of credentials.NoteThese steps aren't necessary in Lync 2013 because the steps that were previously mentioned that delete sign in information removes the certificates automatically.
- Delete the certificate in Windows Certificate Manager. To do this, follow these steps:
- Flush the DNS cache. To do this, follow these steps:
- Press Windows + R, type the following command, and then press Enter:Ipconfig /flushdns
- Warning Serious problems might occur if you modify the registry incorrectly by using Registry Editor or by using another method. These problems might require that you reinstall the operating system. Microsoft cannot guarantee that these problems can be solved. Modify the registry at your own risk.On the affected computers, check the following registry key:HKEY_LOCAL_MACHINESOFTWAREMicrosoftCryptographyMachineGuidIf the value of MachineGuid contains braces around the GUID (for example, {c1cbd94c-0d35-414c-89ef-dd092b984883}), then remove the braces, restart Lync, and then try to sign in again.
Resolution for Skype for Business Online administrators: Validate the certificate chain
End-users may receive an error stating that the certificate can't be validated, and this usually happens because one of the certificates in the chain is untrusted and can't be validated. This typically occurs for customers who use single sign-on in Office 365 or for customers who have Lync hybrid deployments.
For more information about certificate validation with Lync, see Lync Mobile users cannot sign in after they update to client version 5.4.
Note
![Problem Problem](/uploads/1/1/9/7/119745840/605111319.jpg)
Although this article is written for mobile devices, the same concepts apply to Lync clients.
More Information
If the issue persists after you perform these troubleshooting steps, contact Microsoft Office 365 technical support or the Microsoft Office 365 Community forums. In certain cases, the Active Directory Domain Services user account may be incomplete or corrupted. Therefore, Skype for Business Online can't generate a personal certificate. This may not affect all of a tenant's accounts because the effect depends on the state of the server when the user account was created.
To narrow the issue, determine whether the issue occurs for multiple user accounts on the same computer. Then, try to sign in to Skype for Business Online from the same computer by using multiple user accounts. This process indicates whether the problem is related to the configuration of the computer or an issue with the Skype for Business Online user account.
There Was A Problem Verifying The Certificate From The Server Skype For Business 2016 Mac
Did this fix the problem?
- Check whether the problem is fixed.
- If the problem is fixed, you are finished with these steps.
- If the problem isn't fixed, go to Microsoft Community, or contact support.
- We'd appreciate your feedback. To provide feedback or to report any issues with this solution, please send us an email message.
Still need help? Go to Microsoft Community.