Category Archives: Troubleshooting

Resizing mgmt_tablespace in Grid Control 12c and reclaiming space

We noticed the MGMT_TABLESPACE in our 12c Grid Control production database was very big. Almost 380gb of data was stored in this tablespace. I did not think anything was wrong because of all the targets registered in this Grid Control … Continue reading

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OpenStack Folsom quick installation

We tend to use VMware for our virtual machines, but it’s always important to evaluate and try out new software which is why I decided to try out OpenStack (Folsom)! Three of the biggest advantages to OpenStack is, in my … Continue reading

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Debugging IIS crashes – default WER location

I was debugging some IIS crashes last week and thought I’d follow up with a few basics here as its a common enough problem. Another time I might write a series of posts on using the windows debuggers in detail … Continue reading

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SQL Server setup fails due to partitioned network warnings from cluster service

I was building a new SQL Server 2008 R2 failover cluster recently and encountered a problem that I hadn’t seen before (which is rare as I’ve seen A LOT of cluster setup problems in my time!). This time it was … Continue reading

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Tracing select statements on specific objects in SQL Server without using Profiler

A developer of an application asked me an interesting question the other day. He wanted to know (for reasons not worth going into here) whether his application issued select statements against a specific table in his database. This database was … Continue reading

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pdfforge toolbar causes critical errors in Microsoft Office

Recently one of our customers (who has administrative access and is responsible for their own applications) chose to install the product pdfforge on their server. This server acts as a terminal server, providing Microsoft Office services for multiple users who … Continue reading

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SQL Server 2008 R2 setup fails due to invalid credentials

A colleague was trying to install a SQL Server 2008 R2 standalone instance today and he kept hitting a weird error when passing the credentials for the service accounts. He was running the setup as a local administrator on the … Continue reading

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SQL Server 2000 cannot start after windows update reboot

Last night we had an incident with one of our customers’  old SQL Server 2000 instances. The machine in question had had it’s WSUS windows update run last night and had been forced to reboot after this had occurred. After … Continue reading

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Cannot add new node to windows hyper-v cluster–SCSI disk validation error

We make extensive use of Hyper-V within Basefarm and I recently encountered a strange problem when doing maintenance on a 5 node windows cluster running the hyper-v role. For reasons I won’t bore you with here (pre-production testing basically), I … Continue reading

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How to resolve orphaned file ownership in windows 2008

Here’s something I was looking at this morning, which is not an uncommon problem I think. I was doing some disk cleaning for a customer and some extremely large files that we needed to remove were locked and inaccessible even … Continue reading

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