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What’s in My Exchange DR tool Box. Exchange Disaster Recovery Fundamentals – Kind of toolish.

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Presentation on theme: "What’s in My Exchange DR tool Box. Exchange Disaster Recovery Fundamentals – Kind of toolish."— Presentation transcript:

1 What’s in My Exchange DR tool Box

2 Exchange Disaster Recovery Fundamentals – Kind of toolish

3 HA + Recovery Options Dialtone Recover Setup / Bla Legacy Exchange mailbox servers Failover Cluster Exchange 2007 Mailbox role Single Copy Cluster (SCC) Clustered Continuous Replication (CCR) Local Continuous Replication (LCR) Standby Continuous Replication (SCR) Exchange 2010 Mailbox role Database Availability Group (DAG)

4 Dialtone Recovery Purpose is to give you time to fix or repair a database How to Move the active database and log files to a temp location Mount the databases and say yes when it asks you if you want to create a new database Restore or recover the database Swap the recovered and dialtone databases Play all of the dialtone database information into the recovered database Things to note Users get new email but they cannot see old stuff in Outlook at the same time. Users can see new email in OWA, and old email in Outlook at the same time

5 Setup / Bla 2000 and 2003 setup /disasterrecovery will restore all of the settings from AD to a server Most everything is in AD 2007 setup /recoverserver will restore all of the settings from AD to a server Not everything is in AD – it is different for each server role The Databases – Email and Queues IIS metabase on the CAS server UM prompts on the UM server Registry and XML customizations Message Tracking logs 2007 clusters have setup /recoverCMS that will restore cluster settings to a node

6 Asynchronous Continuous Replication Primary Server Mailbox Database Standby Server Mailbox Database Transaction Log 01 Transaction Log 02 Transaction Log 03 Transaction Log 04 Transaction Log 05 Transaction Log 01 Transaction Log 02 Transaction Log 03 Transaction Log 04 Transaction Log 05

7 Exchange Tools - Fundamentals

8 Exchange Tools – that I go back too Relatively harmless tools Dsadiag – Test Exchange to AD connection Dcdiag + NetDiag – Check AD functionality Nltest – Old school Trust Checking Mdbvu32 + Outlook Spy + MFCMapi – Look at the raw database Winroute – Check active 2003 routing Replmon – Public folder tool ExTRA – Best Practice Analyzer Family of tools MPS_Reports – Run a heap of tools ExMerge – Ripe mailbox out of the Store ExMon – Check Client usage PFdavAdmin – Permissions and PF stuff ADModify – Bulk Check and Change AD stuff Escalation to the next level, and or a PSS call Dangerous tools – Don’t touch these unless you must Ntdsutil – Exeutil for AD Isinteg – Application level EDB tool ADSIEdt + LDP – Muck with Raw AD Eseutil – Data level EDB tool

9 Exchange Maintenance Tools Dsadiag W2K Support Tools tool Used for diagnosing directory & binding problems Where’d that GC go? What GCs are actually up and answering queries? See KB article Q279423 for details

10 Exchange Maintenance Tools Dcdiag + Netdiag Windows Support tools tools Used for Active Directory, DNS & Domain troubleshooting Is DNS configured correctly for AD Are all of the FSMO roles present and reachable Why can’t users log on? Why am I seeing GC/DC errors in the event log? What DCs or GCs are visible? As opposed to the ones you think are visible Check IP security policies Check LDAP binding Repair missing or busted Machine account

11 Exchange Maintenance Tools Nltest W2K resource kit tool – Old School but still useable Used for Domain Trust troubleshooting What domains does this server Trust Which DC is being used in the trusted domain Determine if a server set as a GC is really a GC

12 Exchange Maintenance Tools Mdbvu32 + Outlook Spy + MFCMapi Non-invasive MAPI mailbox viewer Browse MAPI hierarchy Allows you to manage mailbox rules and MTA queue messages What’s all that crap in the system attendant mailbox? What rules are in effect on a mailbox? Delete bad items from the inbox Outlook Spy is Third Party geared for the Developer Kill Junk mail Kill Rules

13 Exchange Maintenance Tools Winroute + Remoitor Product CD tool = Winroute Call PSS = Remonitor Link state routing diagnostic tool What routes are known to the routing engine? Which ones are up? Which ones are down? When was the last routing update? Inject new routes, and or delete routes with out a restart

14 Exchange Maintenance Tools Replmon W2K product CD tool Replication monitor When was the last update this server sent? When was the last update received? Why the $X#@! isn’t replication working? AD was new in 2000 and 2003. Exchange was the first App to really use AD. Exchange Admins had to be good at trouble shooting AD

15 Exchange Maintenance Tools ExTRA Exchange Trouble Shooter Family ExBPA – Best Practice Analyzer ExDRA – Disaster Recovery Assistant ExDTA – Database Trouble Shooter ExMFT – Mail Flow Trouble Shooter ExPTA - Performance Trouble Shooter Think of these tools as PSS and the Product group in a box

16 Exchange Maintenance Tools MPS_Reports PSS tool – download from Microsoft MPS_Reports comes in flavors; Exchange, AD, SQL, and so on. Each Flavor checks different things Run this tool when you cannot access a server it dumps a huge amount of information to a CAB file that someone can send you Event logs Netdiag + Dcdiag Dumps GPOs Runs ExBPA ExDump And more

17 Exchange Maintenance Tools ExMerge Download from Microsoft Requires a MAPI install, so it is best to run from a Client Used to Extract or place data in a mounted database Need Send as and Receive as rights for the mailbox Can Extract a single item from all mailbox – Think virus or Accidental carrier limiting email

18 Exchange Maintenance Tools ExMon Download from Microsoft Determine which users are killing a server, why, and where they live

19 Exchange Maintenance Tools PFdavAdmin Download from Microsoft Play with Permissions on Public Folders ExportViewChange Bulk stuff Push replication Play with Permissions on Forms Libraries Recover Deleted Items in PF

20 Exchange Maintenance Tools ADModify Download from Microsoft or CodePlex Play with AD on at a Bulk Level Select via LDAP query Change heaps of settings Check the Inherit Permissions Check Box for everyone This was cool until PowerShell Came out There are different versions that Have different Powers

21 Other Tools Notepad / Txtpad – Read Files and see what's in them WinDiff – Compare two files and see what is different CSVDE – Import and Export from AD via CSV LDIFDE – Import and Export from AD via LDIF DNSLint – Check some DNS issues (Rangers love this) - Test Outlook JetStress – Test the Database, melt drives DNSDiag – Like Netdiag, checks DNS Telnet – Check if Ports are answering PerfMon – Checkum big Perf Counters Event Viewer – Start here please

22 Exchange Maintenance Tools ntdsutil – This can ruin your career Installed by Windows server Management utility for AD Which server is the schema master? Which DCs are online? Role passing & seizure Defrag the AD database

23 Exchange Maintenance Tools Isinteg – Please have PSS hold your hand Exchange product CD tool Verifies logical / application level structure of database Mailboxes, folders, message structures Brief digression about logical vs. physical Generally safe to run Always safe unless you use the “-fix” switch Requires significant processing time ~ 4GB/hr processing rate May require multiple passes Some errors have prerequisites that have to be fixed first It fixes more each time it is run up to a point

24 Exchange Maintenance Tools Isinteg cont’d When to run it When Microsoft tells you to After an offline restore When you suspect logical database corruption Opening a particular mailbox/message makes Outlook crash or die Messages or folders disappear Item counts are off When you’re curious But only on a non-production machine

25 Exchange Maintenance Tools ADSIedt + LDP Windows Support tools Use this When Microsoft or someone who's knows what they are doing tells you to, and holds your hand There is no undo Work with Raw object in AD Delete – Could get you fired Modify – Could get your fired Read - Harmless Write – Not safe Verify – Harmless

26 Exchange Maintenance Tools Eseutil Exchange product CD tool Verifies physical structure of database Pages, pointers, long values, LV tables Has multiple modes Some are safe: /g: integrity check /m: dumps various interesting bits /k: page checksum verification /y: copy

27 Exchange Maintenance Tools Eseutil cont’d Some modes are semi-safe /d does an offline defrag Seldom necessary Requires the DB to be dismounted /r initiates recovery Verifies DB for consistency Plays back sequence of log files Will either fail (DB untouched) or succeed (DB consistent) Some are for emergency use only: DATA LOSS /createstm forces creation of a new, but matching, STM file (2000 and 2003 only) /p initiates a repair; missing or damaged pages may be truncated

28 Exchange Maintenance Tools Eseutil cont’d When to run it depends on mode When Microsoft tells you to When you suspect physical database corruption Event ID -1018 or related Database reported as inconsistent Store crashes or refuses to mount a particular DB

29 Questions?

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