Category: Exchange Server

How to check if my environment is hybrid?

Problem: You need to check if the environment you are working with is cloud-only, purely on-premises or if it implements any hybrid configuration. Solution: The hybrid environment in most cases refers to an Office 365 tenant perpetually connected with an on-premises infrastructure. Active Directory synchronization The primary feature that is being implemented in hybrid environments

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get AD Version

# Exchange Schema Version $sc = (Get-ADRootDSE).SchemaNamingContext $ob = “CN=ms-Exch-Schema-Version-Pt,” + $sc Write-Output “RangeUpper: $((Get-ADObject $ob -pr rangeUpper).rangeUpper)” # Exchange Object Version (domain) $dc = (Get-ADRootDSE).DefaultNamingContext $ob = “CN=Microsoft Exchange System Objects,” + $dc Write-Output “ObjectVersion (Default): $((Get-ADObject $ob -pr objectVersion).objectVersion)” # Exchange Object Version (forest) $cc = (Get-ADRootDSE).ConfigurationNamingContext $fl = “(objectClass=msExchOrganizationContainer)” Write-Output “ObjectVersion (Configuration):

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Exchange Schema version

Exchange version rangeUpper objectVersion(Default) objectVersion(Configuration) Exchange 2016 CU23 15334 13243 16223 Exchange 2016 CU22 15334 13242 16222 Exchange 2016 CU21 15334 13241 16221 Exchange 2016 CU20 15333 13240 16220 Exchange 2016 CU19 15333 13239 16219 Exchange 2016 CU18 15332 13238 16218 Exchange 2016 CU17 15332 13237 16217 Exchange 2016 CU16 15332 13237 16217 Exchange 2016

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Outlook client prompt to enter password

Outlook client prompt to enter password, we need to double check on the virtual directory configuration for all server. Exchange Server Virtual Directories setting. It is a root cause that Outlook prompt for password when Outlook client has been switched from one Exchange Server to another Exchange Server by Load Balancer .[PS] C:\Windows\system32>Get-ClientAccessServer -Identity EX01

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Server Error in ‘/owa’ Application

ASSERT: HMACProvider.GetCertificates:protectionCertificates.Length<1Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code. Exception Details: Microsoft.Exchange.Diagnostics.ExAssertException: ASSERT: HMACProvider.GetCertificates:protectionCertificates.Length<1 Source Error: An unhandled exception was generated during the execution of the current web request. Information regarding the

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