Skype for Business

Attempting to request a certificate for Skype for Business Server 2015 from an internal Microsoft Enterprise CA throws the error: “A required certificate is not within its validity period when verifying against the current system clock or the timestamp in the signed file. 0x800b0101 (-2146762495 CERT_E_EXPIRED)”

Problem You’re attempting to renew the Skype for Business Server 2015 front-end server with an internal Microsoft Enterprise Certificate Authority but receive the following error: > Request CertificateRequest-CSCertificate -New -Type Default,WebServicesInternal -CA “DC1.corp.contoso.bmContoso CA” -Country

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Attempting to install Skype for Business server role onto Windows 2012 server fails with: “Prerequisite not satisfied: Before you install Skype for Business Server 2015, you must install an update for Windows Server 2012 R2. For details about the update”

Problem You’re attempting to install a new role, such as mediation services, on an existing front end server but the process fails with the following message: > Bootstrap-CsComputerLogging status to: C:Usersa-tlukAppDataLocalTemp2BootstrapFull-[2018_06_23][13_45_16].htmlChecking prerequisites for bootstrapper…Checking prerequisite

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Executing Test-CsFederatedPartner throws the error: “No matching cluster found in topology.”

Problem You attempt to use the Test-CsFederatedPartner cmdlet (https://docs.microsoft.com/en-us/powershell/module/skype/test-csfederatedpartner?view=skype-ps) to test a configured partner federation but receive the following error: PS C:> Test-CsFederatedPartner -TargetFqdn sip.contoso.com -Domain contoso.com Test-CsFederatedPartner : No matching cluster found in topology.

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