Exchange Admin Center shows blank page after login


I am new to Exchange and I installed it for the very first time yesterday. Everything worked fine but when I changed the time of the system I got a blank page after login in to the mailbox through Exchange Admin Center (on the administrator mailbox). I set the time back to its old setting both on the DC and the Exchange server but to no avail. I noticed that when I reboot the Exchange server that all my Exchange services aren't running even though they are set to automatic. When I turn these on however, it still won't work. I also checked the bindings and the certificate is both set to "Exchange". In the EMS I could see that I have the administrator mailbox.

Anyone got any idea what the problem could be?
Mark SmeetsAsked:
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Muhammad AsifSenior Solutions ArchitectCommented:

Kindly Open PowerShell and run the below command to check wether default mailbox databse is mounted or not under status column.  


You may get the blank page if you try to login as administrator but administrator mailbox is not available due to mailbox database unavailability.  

You may create another user by copy the administrator in AD and then try to login using that user.
Jason CrawfordTransport NinjaCommented:
What you're describing sounds like an issue that was addressed by CU13 for Exchange 2013 although you never stated the version of Exchange you're on.

Please run this command in EMS to verify the current patch level:

Get-Command exsetup  | Format-List FileVersionInfo
Mark SmeetsAuthor Commented:
@Jason Crawford Thank you for your reply.

I am using Exchange 2016:

FileVersionInfo : File:             C:\Program Files\Microsoft\Exchange Server\V15\bin\ExSetup.exe

                  InternalName:     ExSetup.exe

                  OriginalFilename: ExSetup.exe

                  FileVersion:      15.01.0669.032


                  Product:          Microsoft® Exchange

                  ProductVersion:   15.01.0669.032

                  Debug:            False

                  Patched:          False

                  PreRelease:       False

                  PrivateBuild:     False

                  SpecialBuild:     False

                  Language:         Language Neutral

I tried the Microsoft support page but it didn't solve the problem. :(
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Jason CrawfordTransport NinjaCommented:
It looks like you're pretty far behind on Exchange patches:

I think a logical first step is to get Exchange current by installing CU8.

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Mark SmeetsAuthor Commented:
Thank you all for your help.

It seems the problem was that some services didn't run after all.

@Jason Crawford I will make sure that I'll get the latest patch for Exchange. Thanks alot!
Jason CrawfordTransport NinjaCommented:
Glad I could help.  Take care :)
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